This year in ESS, we will focus on global 21st century issues that threaten our beautiful planet. It will be the responsibility of this and future generations to find solutions to these problems through raising awareness, discovering new technology, rewarding innovation, and by passing legislation. This blog will reflect the voice of every earth and space science student in Ms. B's classes during the 2013-2014 school year.
Monday, December 2, 2013
Driving Quiestion #2
What qualities does planet Earth have that make it unique for supporting complex, multicellular life in the Solar System?
What makes Earth so unique is the fact that unlike all those "earth-like" planets, Earth is the only planet that is known to support multicellular and complex organisms like ourselves.
The reason that I think that is right is different time period in the earth. Different eons and difficulties caused mutation in the animals to survive. Different eons is unique about earth for multicellular life on the earth.
Many revolution over our Earth that named Eon made many important motion for life that also Atmosphere and water on earth made life possible for animals
Earth has a stable climate, and a protective atmosphere. These two things are the biggest factors contributing to its ability to sustain life. Earth having water is also a huge contributor to it being able to sustain lofe
Earth is very special compared to other planets, we support many living things including us. We have seasons and we have day and night. Our atmosphere protects us from meteorites and also the right amount of oxygen produced by many living things creates life. Our planet isn't explosive or I don't think it is.
Earths water. Water is an excellent solvent, capable of dissolving many substances. It also floats when it is frozen, unlike many liquids, meaning that ice can insulate the underlying fluid from freezing further. If water instead sunk when frozen, this would allow another layer of water to freeze and sink, and eventually all the water would get frozen, making the chemical reactions behind life impossible.
Second, is energy. Without energy, virtually nothing would happen.The most obvious source of energy is a planet or moon's host star, as is the case on Earth, where sunlight drives photosynthesis in plants. The nutrients created by photosynthesis in turn are what the bulk of life on Earth directly or indirectly relies on for fuel.
Earth is a terrestrial planet which means that it is mostly made up of silicate rocks and still has the gaseous layer found around the planet. It also has a high mass for the size of the planet. Earth also has a pretty big diameter which allowed for it to form less quickly than other planets and it kept its atmosphere unlike smaller planets. It also has tectonic activity which sets it apart from other planets and is able to produce things like volcanoes and earthquakes which provide materials to sustain life as well. All of these combined are reasons earth is set apart from the other planets in our solar system.
Two most important and unique factors about earth that differs from other planets is that it has a very stable climate and has water. Oxygen is also another huge factor.
Earth has an atmosphere that protects itself from outside sources. Also the day and night length are different. The ability to sustain life because of water, oxygen, carbon dioxide, etc.
Earth has many attributes that allow it to support life, but the breathable atmosphere is one of the most significant factors to sustain life. Other features include Earth's ability to block out harmful radiation with its thick atmosphere, small amount of carbon dioxide, suitable climate, and a sufficient amount of light received from the sun.
Earth has a protective atmosphere and a stable climate/environment. There is food, water, oxygen, and co2, which are the main factors as to why the earth is unlike any other planet in space.
The Earth has many qualities that allows it to support complex, multicellular life including its atmosphere, magnetic field, fresh water, iron core, oxygen and carbon, size, and distance from the sun among other factors. Working from in to out, the iron core is the right size and temperature to support the magnetic field that protects Earth from harmful radiation and keeps the planet at livable temperatures. Fresh water is a key factor in the Earth's unique (as far as we know) ability to support complex life. Oxygen and carbon allows these organisms to breathe or respirate and the atmosphere protects the planet and its life from harmful rays and keeps objects from hitting the Earth.
the earth has a few simple traits and characteristics that helps it support complex life and a few of those are, oxygen, carbon dioxide, an atmosphere and the perfect distance from the sun
Earth has oxygen and air that allow life to form. But earth temperature is the reason life is able to be sustained. It's weather, unlike other planets, is not too harsh for life forms. It isn't too hot or cold for us to live.
The thing about earth is earth has water and oxygen to let life live on earth and thrive quickly our atmosphere had a lay or around it protecting us from harmfull rays also earth groes slowly and has rocks with a crust on its surface
Some unique qualities that separate Earth from the rest of the planets are liquid water (enough to support an entire population, but not too much to where it covers mountains, and not too little to where Earth is all desert), plate tectonics, and an atmosphere that protects us from the Sun’s harshest rays. Earth’s ability to remain liquid and hold on to its oceans for so long is also unique, considering many planets have frozen or fried. Plate tectonics are also linked to the water factor because plate tectonics enable liquid water to exist by regulating the temperature.
The temperatures are very sustainable, meaning they are not too hot or too cold for life forms to survive. Also, the atmosphere composition contains the oxygen that we need to breathe. The planet is filled with plants that we have a relationship with where they take in the co2 that we breathe out, and they produce the oxygen we need. The gravity is very convienent to be able to walk around and set things down with ease so life on the surface is possible. Two-thirds of the planet is made up of water that we also need for life in many different circumstances. We also are placed at the perfect distance away from the sun so that the temperatures of the inner earth are not gaseous, ice, too hot, or too cold.
2. Earth is very different compared to other planets considering that we can support all different types of living things from plants to people. We have an atmosphere which protects us from a lot of different things and contributes to life on earth. We also have water which also allows us to live on earth and not other planets which is really weird to think about.
the main requirement for life is an energy source and the notion of planetary habitability implies that many other geophysical, geochemical, and astrophysical criteria must be met before an astronomical body can support life. In its astrobiology roadmap, habitability criteria as "extended regions of liquid water, conditions favorable for the assembly of complex organic molecules, and energy sources to sustain metabolism
Carbon is the element used in everything in earth. Multi-cellular organisms also need a ready supply of oxygen for respiration. Today oxygen makes up about 20 percent of Earth's atmosphere, but for the first two billion years after Earth formed, its atmosphere was anoxic (oxygen-free).
There are several qualities: First, the balanced climate facilitates the growth of a plethora of species since it creates the circumstances necessary for cellular organisms to expand in numbers. Second, liquid water sustains a medium by which cells can export and import nutrients, plus provide the hydration necessary to remain active. Third, the large heated core generates the magnetosphere that protects the atmosphere from radiation deterioration.
In order for complex life to form on a planet many random occurrences must happen. The planet must have a proper energy source for metabolism, extensive supply to liquid water, and weather and atmospheric conditions favorable for organic molecules.
It has many qualities that make it unique, but the main difference is that it has the right amount of elements to support life. Most all carbon-based lifeforms need oxygen to survive which Earth has plenty. As well as water and a strong enough atmosphere to protect the planet. Another unique quality Earth has is that it is in a perfect spot in relation to the Sun, too close and it's too hot, too far away and it is too cold.
Our planet has many qualities that make it suitable for complex life forms. First off, the planet has a large amount of water, which is essential for all life. The placement of the earth in the solar system also helps, as we are not too far away from the sun or too close to it. The atmospheric conditions are also good, with a good amount of land suitable for living without dealing with constant volcanic activity, for example.
Earh is different than the rest of the planets because of the amount of liquid water earth contains. Then plate tectonics and earths atmospher which protects us from the sun. Earth can hold its oceans together and not be frozen or fried because of plate technoics and we just have the perfect amount of liquid water to were we aren't overflowing.
the earth has many unique characteristics about it, it is in the absolute perfect location in relation to the sun and has the perfect amount of elements that we need. As carbon based life forms we needs both oxygen and water which earth has an abundance in both so we can survive. The protective atmosphere protects us from space rubble and debris flying in space. Everything about our earth makes it unique really.
The first quality that comes to mind when discussing why earth is habitable, is the fact that it has a large abundance of liquid water. We also have the proper atmosphere to be able to be protected from the sun's rays, which also is a result from the core's ability to create the magnetosphere, and oxygen needed to breath. It's gravity is also just right to where it doesn't crush us or is too loose, as is the atmosphere on many other planets in our solar system.
The planet Earth has an atmosphere that nurtures the development of organisms, a moderate distance from the sun that is enough to provide stable weather, and water.
Many things make earth perfect for living, such as the large amount of water that we have on earth. Earths gravity is also perfect so that we arent floating away from the ground, our atmosphere protects us from sun rays and give us oxygen because plants are able to grow.
Earth is unique because it has a hospitable atmosphere and plenty of oxygen. The distance from the sun is just right and allows for the right temperature and weather to support life on Earth.
The earth is at a perfect distance from the sun that allows for life to be sub stained on. Earth also has a very good atmosphere that allows life. Earth has water which is a key aspect to supporting life forms. Earth is full of many elements that allow all sorts of life to exist on it.
Earth has many attributes as to why it can support life, unlike other planets. Earth has a stable climate and breathable atmosphere. It is a perfect distance from the sun and has a atmosphere that can protect it from the sun's rays. Earth can sustain oceans and water without the water freezing. It has all the right amount of elements to sustain life.
Our planet has some very unique features that make it possible to sustain life unlike many other planets. It is covered by liquid water which all life forms need to survive. It has a large moon compared to its own size that stabilizes its axis at a 45 degree angle, which makes it possible to stabilizes its seasonal changes. It at a great distance from the sun where it receives a great amount if heat and light without the surface being scorched. And it's large inner core provides a protective magnetic field that shields the planet from different kinds of radiation. All these features contribute to make Earth a habitable planet for many forms of life.
Earth has water, and is the perfect distance away from the sun and has the perfect atmosphere to support what we call "life". That, and the millions of years of evolution has made cells adapt and advance to match the surrounding environment for survival.
Earth is within a certain range that is close enough to the sun to receive an adequate amount of energy and far enough away not to be too hot for life. It also has the right combination of chemical elements that consists of enough hydrogen, carbon and oxygen to create life, water, and an atmosphere. It also is surrounded by a magnetic field created from the heavy metals located at the center of our earth that prevent radiation to enter our atmosphere. The moon also helps Earth thrive because it acts as a stabilizer during earths orbit around the sun.
t is a rocky planet with an atmosphere strong enough to burn up anything hazardous but weak enough to let enough light in to keeps us at a reasonable temperature. It is the perfect distance from the sun to support life and can have water on it
Earth can sustain multicellular life because it has an atmosphere that most planets do not have. It is the perfect distance from the sun so it is not too hot or cold. It has a large core that creates a magnetic field around the surface so solar radiation cant strip the atmosphere. Earth is also covered in liquid water which is probably the most important part of life besides oxygen and carbon dioxide. Also our relatively large moon stabilizes earths axis so there can be seasons on the planet.
Earth requires an improbable combination of astrophysical and geological events and circumstances, which argues that extraterrestrial life requires and earth like planet with circumstance and only few planets exist.
The existence of enough water on the surface, combined with a magnetic field strong enough to keep an atmosphere and enough sunlight to keep water liquid, to allow for oceans is a major difference that let's Earth have life.
The Earth's relationship with the Moon also allows for life. The Moon helps keep the Earth's climate stable enough to allow life enough time to adapt and evolve.
The existence of large gas giants, like Jupiter and Saturn, also helped life develop. Their large masses helped to "clean up" the solar system by attracting nearby asteroids and comets and keeping them from harming the Earth. Without them, there would have been more meteor strikes, which could have led to many more mass extinction events.
Earth is at a perfect distance from the sun to support life. It's axel is at a perfect angle as well. There is water here on earth that also allows for humans to live on.
2. The Rare Earth hypothesis argues that the emergence of complex life requires certain circumstances including a galactic habitable zone, a central star and planetary system having the requisite character, the circumstellar habitable zone, a right sized terrestrial planet, the advantage of a gas giant guardian and large satellite, conditions needed to assure the planet has a magnetosphere and plate tectonics, the chemistry of the lithosphere, atmosphere, and oceans, the role of "evolutionary pumps" such as massive glaciation and rare bolide impacts, and whatever led to the still mysterious Cambrian explosion of animal phyla. NASA has defined the principal habitability criteria as "extended regions of liquid water, conditions favorable for the assembly of complex organic molecules, and energy sources to sustain metabolism."
The earth can support all living things because the main gases we have also our atmosphere that keeps bad things out. It also is the perfect distance away from the sun with helps all living things.
The most unique thing on that earth has is its capability to have water and life. Our earths temperature is so perfect that we have life growing from it and adapting with a ton of help from water.
Earth is able to support life because it is the perfect distance away from the sun that allows it to get energy from the sun, but not be too hot. It also has a stable orbit because of the moon, a perfect atmosphere, and plenty of water to sustain life.
First, earth contains a metal core which protects the earth from the sun's rays without this, the earth's surface and atmosphere would be dry and hot which would make life impossible. Second, it is a good distance from the sun which makes it an almost perfect climate for sustaining life. Earth has water and fertile land which are mandatory for life sustainability. The most important things that made life possible on earth happened a long time ago, however. The huge collision in the beginning of earth's history made the core larger and knocked important nutrients and minerals beneath the surface out and brought them to the top of the surface. The snowball earth era and the fire earth eon nearly wiped life out altogether, but later kick started life into forming from unicellular to multicellular organisms. The most catastrophic events on earth actually made complex life possible.
The Earth is a perfect candidate of planetary habitability. In order for a body to be considered to have the potential to support multi-cellular life it has to have an endless energy source, sufficient orbital properties, an atmosphere, and also the proper resources to support life on the body. Earth’s energy source is the Sun, which gives off energy to our planet through radiation. Earth has sufficient orbital properties because it orbits around its energy source (the Sun) and the Moon to keep the climates at a fairly constant level. The Earth’s atmosphere is composed of nitrogen, oxygen, argon, and carbon dioxide which are mostly needed in order to allow breathing. The Earth is one of plentiful natural resources for its inhabitants from water, plants, crops, and also animals to lesson the instance of starvation among its inhabitants.
Water is an excellent solvent, capable of dissolving many substances. It also floats when it is frozen, unlike many liquids, meaning that ice can insulate the underlying fluid from freezing further. If water instead sunk when frozen, this would allow another layer of water to freeze and sink, and eventually all the water would get frozen, making the chemical reactions behind life impossible.
Earth has a moderate climate and atmospheric conditions that are not too extreme for life to survive, unlike many oaknets in our solar system. Earth also features large quantities of water, which supports complex life. Many different factors allow for the development and survival of complex life on Earth, there is a certainly a possibility that another planet may have conditions which are able to support complex life in the vast span of the universe
Earth is the right distance away from the sun. The area is called the habitable zone.this means the planet never moves so far away that it maintains the perfect atmospheric tempreture. This allows for a stable climate and change of the seasons. Another factor is the sufficient amount of stable elements on earth like oxygen and carbon. While there are very few planets which are similar to earth there are many small moons on which traces of life have been found.
Earth is the perfect distance from the Sun- the Earth isn't close enough to be stripped of it's protective atmosphere by the force and the heat of the sun, but it close enough to reap the benefits of the Sun's heat and energy. If the Earth's distance from the Sun differed in any way, human life could not be supported. Earth contains large quantities of water. This is a quality unique to Earth. Without water, mulitcelluar life could not be supported. Earth also conatins large quantities of carbon. As we are carbon based life forms, the fact that Earth contains large amounts of carbon allows human life to be supported. This along with many other qualities allow the Earth to support life.
A planet needs liquid water, an energy source and chemical building blocks like carbon, oxygen, hydrogen and nitrogen for the life forms we're familiar with to thrive. All of which Earth has, so that's why we can sustain multicellular life on our planet! It's also just close enough and just far away enough from the sun so that we can thrive on it, not be harmed by it.
To determine if a planet is suitable for multicellular life, we have to study its composition, orbital properties, atmosphere, and potential chemical interactions. Important characteristics to look at it include mass and luminosity, stable variability, and high metallicity. If we look at Earth and take into account all these things we can observe that Earths Orbital properties and Earth's atmosphere are good and steady for multicellular life. Another thing to take into account is Earth's mass and and high metallicity. As for its mass Earth is 5.972E24 kg, and has a wide variety of metallicity therefore Earth is a very suitible planet for multicellular live.
Earth is so unique and able to support life because of it's perfect distance from the sun making the temperature on earth's surface suitable for life. Also the amount of water on earth's surface allows for life to be supported. The natural resources and atmosphere of earth are also ideal in fostering life.
Earth is able to support life because it is the exact distance away from the sun that it needs to be to support life while not being too hot. It has a moon that orbits around it that gives the planet gravity so human life doesnt just fall off the planet. Earth has a stable stmosphere that gives us good air to breathe and provides bodies of water such as oceans.
On earth we have a very protective atmosphere, and also a very good water system along with a stable climate. Our planet differs from other planets in space because of the great resources and characteristics our earth has. We also have a atmosphere that contributes to life on earth along with the atmosphere which protects us from harmful things.
Earth can mainly support life because of this fact: it is the only planet we know of the contains water in all three forms, solid, liquid, and gas. Other factors that contribute is our perfect distance from the sun creating an ideal range of temperatures for life. We have an atmosphere that protects us from the suns radiation and is able to burn up most objects that would happen to come close to us. We also have a variety of elements available here on Earth that are necessary for life such as oxygen and carbon.
stable climate and a protective atmosphere, it is a perfect distance and tilt so that it alternates seasons and has running water, CO2, stable habitable Ozone, gravity and ideal temperature for multicellular complex life.
It has a large core that creates a magnetic field around the surface so solar radiation cant strip the atmosphere. Earth is also covered in liquid water which is probably the most important part of life besides oxygen and carbon dioxide.
It has a large core that creates a magnetic field around the surface so solar radiation cant strip the atmosphere. Earth is also covered in liquid water which is probably the most important part of life besides oxygen and carbon dioxide.
Earth has an atmosphere that provides oxygen inside it and we also have water, oxygen, and carbon. Our planet is the perfect distance away from the sun to maintain life on it as well.
Earth is so unique because it is perfect for harboring life. It is the perfect distance away from earth to support life, the natural resources here are vital for our existence. The temperature and & atmosphere are also so important.
There are many things about earth that make unique and that no other planets have. One is oxygen. We are able to live on earth because of water and oxygen. Earth is aslos the perfect distance from the sun. Not too hot not too cold
The Earth has the perfect distance from the sun, to where it's not too hot but also not too cold. It has an atmosphere that can break up large rocks sucked into it's gravitational pull. It has the many layers that each help support complex life, such as the crust that physically supports life, and the core which creates a magnetic field to protect the planet from Solar wind.
Earth so unique is the fact that unlike all those planets, Earth is the only planet that is known to support multicellular and complex organisms like ourselves.
The earth has a core at the right size for a good temperature to live in. It has a magnetic field that shields us from solar radiation. It has enough fresh water to support life. It's atmosphere is composed of an assortment of the right elements such as nitrogen, oxygen, and carbon.
The qualities that Earth has that make it support a complex multicellular life planet, is that it acquired an improbable combination of astrophysical and geological events and circumstances.
Earth has a stable climate, and a protective atmosphere. And also earth has water which is also a huge contributor to it being able to sustain life. It's close to the sun but not too close to cause harm.
Earth has many qualities that make it suitable for life. For example, Earth is a good distance away from the Sun, Earth has a good atmosphere, and it is surrounded by large bodies of water. The Earth's core create a magnetic field to protect us from solar radiation, and the Earth has many different elements that help sustain life. Also, our moon keep the climate stable for life.
Earth is very unique in its own way, one because it has an atmosphere that protects us from harmful rays, also allowing multicelluar organisms to live. The magnetic fields produced from the right sized core is also a very unique feature.
Healthy ecosystems and sustainable environments are necessary for humans to survive. The qualities that the Earth has to be inhabitable is that it has water, an atmosphere, a magnetic field that shields us from solar radiation. Also, the planet is just far enough that it is the perfect distant from the sun without burning us up or freezing the planet over.
Earth is very unique. It is the perfect distance from the sun which causes the temperatures on earth to be suitable for life. Water on earth and the amount of it also makes it possible for us to live here. Earth has so many natural resources which make having life possible.
Our earth is able to support life because of its distance away from the sun. This makes the planet temperature perfect for sustaining life on earth. Our moon orbits and gives us gravity. Allowing us to not fall off the planet. Earth also has a stable atmosphere allowing us to breath, having large bodies of water, and ecosystems.
The earth is a perfect distance away from the sun, stable climate, protective atmosphere, and the large amounts of water we have. The Earth also contains large amounts of carbon which humans need to sustain life.
The stable climate and a protective atmosphere are two things that where made because of the distance between us and the sun. It is a perfect distance and tilt so that it alternates seasons and has running water, CO2, stable habitable Ozone, gravity and ideal temperature for multicellular complex life.
Earth is unique in that it is the perfect distance away from the sun and can maintain a stable temperature. It's also has an atmosphere that is suitable for protecting and supporting life.
Earth is able to support life because of it's perfect distance away from the sun. It also has the natural resources here are vital for our existence. The temperature and & atmosphere are also very necessary.
In order for a planet to sustain life they must be able to have various resources such as water, food, an atmosphere suitable for life, and a form of energy and Earth has all of these qualities. Due to it’s temperatures and an atmosphere it helps humans live buy giving us the ability to grow crops and water to drink. Also we have a sun that gives us energy through food and even through our skin.
What makes Earth so unique is the fact that unlike all those "earth-like" planets, Earth is the only planet that is known to support multicellular and complex organisms like ourselves.
ReplyDeleteThe reason that I think that is right is different time period in the earth. Different eons and difficulties caused mutation in the animals to survive. Different eons is unique about earth for multicellular life on the earth.
ReplyDeleteSpectral class, A stable habitable zone, low stellar variation, high metallicity, mass, orbit and rotation, geochemistry, ecological factors, Microenvironments and extremophiles
ReplyDeleteMany revolution over our Earth that named Eon made many important motion for life that also Atmosphere and water on earth made life possible for animals
ReplyDeleteEarth has a stable climate, and a protective atmosphere. These two things are the biggest factors contributing to its ability to sustain life. Earth having water is also a huge contributor to it being able to sustain lofe
ReplyDeleteOur earth has, oxygen, CO2, and water, plus essential minerals, and food.
ReplyDeleteEarth is very special compared to other planets, we support many living things including us. We have seasons and we have day and night. Our atmosphere protects us from meteorites and also the right amount of oxygen produced by many living things creates life. Our planet isn't explosive or I don't think it is.
ReplyDeleteWhat makes earth so unique?
ReplyDeleteEarths water. Water is an excellent solvent, capable of dissolving many substances. It also floats when it is frozen, unlike many liquids, meaning that ice can insulate the underlying fluid from freezing further. If water instead sunk when frozen, this would allow another layer of water to freeze and sink, and eventually all the water would get frozen, making the chemical reactions behind life impossible.
Second, is energy. Without energy, virtually nothing would happen.The most obvious source of energy is a planet or moon's host star, as is the case on Earth, where sunlight drives photosynthesis in plants. The nutrients created by photosynthesis in turn are what the bulk of life on Earth directly or indirectly relies on for fuel.
Earth is a terrestrial planet which means that it is mostly made up of silicate rocks and still has the gaseous layer found around the planet. It also has a high mass for the size of the planet. Earth also has a pretty big diameter which allowed for it to form less quickly than other planets and it kept its atmosphere unlike smaller planets. It also has tectonic activity which sets it apart from other planets and is able to produce things like volcanoes and earthquakes which provide materials to sustain life as well. All of these combined are reasons earth is set apart from the other planets in our solar system.
ReplyDeleteTwo most important and unique factors about earth that differs from other planets is that it has a very stable climate and has water. Oxygen is also another huge factor.
ReplyDeleteEarth has an atmosphere that protects itself from outside sources. Also the day and night length are different. The ability to sustain life because of water, oxygen, carbon dioxide, etc.
ReplyDeleteEarth has many attributes that allow it to support life, but the breathable atmosphere is one of the most significant factors to sustain life. Other features include Earth's ability to block out harmful radiation with its thick atmosphere, small amount of carbon dioxide, suitable climate, and a sufficient amount of light received from the sun.
ReplyDeleteEarth has a protective atmosphere and a stable climate/environment. There is food, water, oxygen, and co2, which are the main factors as to why the earth is unlike any other planet in space.
ReplyDeleteThe Earth has many qualities that allows it to support complex, multicellular life including its atmosphere, magnetic field, fresh water, iron core, oxygen and carbon, size, and distance from the sun among other factors. Working from in to out, the iron core is the right size and temperature to support the magnetic field that protects Earth from harmful radiation and keeps the planet at livable temperatures. Fresh water is a key factor in the Earth's unique (as far as we know) ability to support complex life. Oxygen and carbon allows these organisms to breathe or respirate and the atmosphere protects the planet and its life from harmful rays and keeps objects from hitting the Earth.
ReplyDeletethe earth has a few simple traits and characteristics that helps it support complex life and a few of those are, oxygen, carbon dioxide, an atmosphere and the perfect distance from the sun
ReplyDeleteEarth has oxygen and air that allow life to form. But earth temperature is the reason life is able to be sustained. It's weather, unlike other planets, is not too harsh for life forms. It isn't too hot or cold for us to live.
ReplyDeleteThe thing about earth is earth has water and oxygen to let life live on earth and thrive quickly our atmosphere had a lay or around it protecting us from harmfull rays also earth groes slowly and has rocks with a crust on its surface
ReplyDeleteSome unique qualities that separate Earth from the rest of the planets are liquid water (enough to support an entire population, but not too much to where it covers mountains, and not too little to where Earth is all desert), plate tectonics, and an atmosphere that protects us from the Sun’s harshest rays. Earth’s ability to remain liquid and hold on to its oceans for so long is also unique, considering many planets have frozen or fried. Plate tectonics are also linked to the water factor because plate tectonics enable liquid water to exist by regulating the temperature.
ReplyDeleteThe temperatures are very sustainable, meaning they are not too hot or too cold for life forms to survive. Also, the atmosphere composition contains the oxygen that we need to breathe. The planet is filled with plants that we have a relationship with where they take in the co2 that we breathe out, and they produce the oxygen we need. The gravity is very convienent to be able to walk around and set things down with ease so life on the surface is possible. Two-thirds of the planet is made up of water that we also need for life in many different circumstances. We also are placed at the perfect distance away from the sun so that the temperatures of the inner earth are not gaseous, ice, too hot, or too cold.
ReplyDelete2. Earth is very different compared to other planets considering that we can support all different types of living things from plants to people. We have an atmosphere which protects us from a lot of different things and contributes to life on earth. We also have water which also allows us to live on earth and not other planets which is really weird to think about.
ReplyDeletethe main requirement for life is an energy source and the notion of planetary habitability implies that many other geophysical, geochemical, and astrophysical criteria must be met before an astronomical body can support life. In its astrobiology roadmap, habitability criteria as "extended regions of liquid water, conditions favorable for the assembly of complex organic molecules, and energy sources to sustain metabolism
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ReplyDeleteCarbon is the element used in everything in earth. Multi-cellular organisms also need a ready supply of oxygen for respiration. Today oxygen makes up about 20 percent of Earth's atmosphere, but for the first two billion years after Earth formed, its atmosphere was anoxic (oxygen-free).
There are several qualities: First, the balanced climate facilitates the growth of a plethora of species since it creates the circumstances necessary for cellular organisms to expand in numbers. Second, liquid water sustains a medium by which cells can export and import nutrients, plus provide the hydration necessary to remain active. Third, the large heated core generates the magnetosphere that protects the atmosphere from radiation deterioration.
ReplyDeleteIn order for complex life to form on a planet many random occurrences must happen. The planet must have a proper energy source for metabolism, extensive supply to liquid water, and weather and atmospheric conditions favorable for organic molecules.
ReplyDeleteIt has many qualities that make it unique, but the main difference is that it has the right amount of elements to support life. Most all carbon-based lifeforms need oxygen to survive which Earth has plenty. As well as water and a strong enough atmosphere to protect the planet. Another unique quality Earth has is that it is in a perfect spot in relation to the Sun, too close and it's too hot, too far away and it is too cold.
ReplyDeleteOur planet has many qualities that make it suitable for complex life forms. First off, the planet has a large amount of water, which is essential for all life. The placement of the earth in the solar system also helps, as we are not too far away from the sun or too close to it. The atmospheric conditions are also good, with a good amount of land suitable for living without dealing with constant volcanic activity, for example.
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ReplyDeleteEarh is different than the rest of the planets because of the amount of liquid water earth contains. Then plate tectonics and earths atmospher which protects us from the sun. Earth can hold its oceans together and not be frozen or fried because of plate technoics and we just have the perfect amount of liquid water to were we aren't overflowing.
the earth has many unique characteristics about it, it is in the absolute perfect location in relation to the sun and has the perfect amount of elements that we need. As carbon based life forms we needs both oxygen and water which earth has an abundance in both so we can survive. The protective atmosphere protects us from space rubble and debris flying in space. Everything about our earth makes it unique really.
ReplyDeleteEarth has a stable climate and has an atmosphere that protects us humans from deadly outer space. Earth also has water which we need to survive
ReplyDeleteThe first quality that comes to mind when discussing why earth is habitable, is the fact that it has a large abundance of liquid water. We also have the proper atmosphere to be able to be protected from the sun's rays, which also is a result from the core's ability to create the magnetosphere, and oxygen needed to breath. It's gravity is also just right to where it doesn't crush us or is too loose, as is the atmosphere on many other planets in our solar system.
ReplyDeleteThe planet Earth has an atmosphere that nurtures the development of organisms, a moderate distance from the sun that is enough to provide stable weather, and water.
ReplyDeleteMany things make earth perfect for living, such as the large amount of water that we have on earth. Earths gravity is also perfect so that we arent floating away from the ground, our atmosphere protects us from sun rays and give us oxygen because plants are able to grow.
ReplyDeleteEarth is unique because it has a hospitable atmosphere and plenty of oxygen. The distance from the sun is just right and allows for the right temperature and weather to support life on Earth.
ReplyDeleteThe earth is at a perfect distance from the sun that allows for life to be sub stained on. Earth also has a very good atmosphere that allows life. Earth has water which is a key aspect to supporting life forms. Earth is full of many elements that allow all sorts of life to exist on it.
ReplyDeleteEarth has many attributes as to why it can support life, unlike other planets. Earth has a stable climate and breathable atmosphere. It is a perfect distance from the sun and has a atmosphere that can protect it from the sun's rays. Earth can sustain oceans and water without the water freezing. It has all the right amount of elements to sustain life.
ReplyDeleteOur planet has some very unique features that make it possible to sustain life unlike many other planets. It is covered by liquid water which all life forms need to survive. It has a large moon compared to its own size that stabilizes its axis at a 45 degree angle, which makes it possible to stabilizes its seasonal changes. It at a great distance from the sun where it receives a great amount if heat and light without the surface being scorched. And it's large inner core provides a protective magnetic field that shields the planet from different kinds of radiation. All these features contribute to make Earth a habitable planet for many forms of life.
ReplyDeleteEarth has water, and is the perfect distance away from the sun and has the perfect atmosphere to support what we call "life". That, and the millions of years of evolution has made cells adapt and advance to match the surrounding environment for survival.
ReplyDeleteEarth is within a certain range that is close enough to the sun to receive an adequate amount of energy and far enough away not to be too hot for life. It also has the right combination of chemical elements that consists of enough hydrogen, carbon and oxygen to create life, water, and an atmosphere. It also is surrounded by a magnetic field created from the heavy metals located at the center of our earth that prevent radiation to enter our atmosphere. The moon also helps Earth thrive because it acts as a stabilizer during earths orbit around the sun.
ReplyDeletet is a rocky planet with an atmosphere strong enough to burn up anything hazardous but weak enough to let enough light in to keeps us at a reasonable temperature. It is the perfect distance from the sun to support life and can have water on it
ReplyDeleteIts in the goldilocks zone, has a habitable atmosphere, and a magnetic field to protect any life on the planet.
ReplyDeleteEarth can sustain multicellular life because it has an atmosphere that most planets do not have. It is the perfect distance from the sun so it is not too hot or cold. It has a large core that creates a magnetic field around the surface so solar radiation cant strip the atmosphere. Earth is also covered in liquid water which is probably the most important part of life besides oxygen and carbon dioxide. Also our relatively large moon stabilizes earths axis so there can be seasons on the planet.
ReplyDeleteEarth requires an improbable combination of astrophysical and geological events and circumstances, which argues that extraterrestrial life requires and earth like planet with circumstance and only few planets exist.
ReplyDeleteThe existence of enough water on the surface, combined with a magnetic field strong enough to keep an atmosphere and enough sunlight to keep water liquid, to allow for oceans is a major difference that let's Earth have life.
ReplyDeleteThe Earth's relationship with the Moon also allows for life. The Moon helps keep the Earth's climate stable enough to allow life enough time to adapt and evolve.
The existence of large gas giants, like Jupiter and Saturn, also helped life develop. Their large masses helped to "clean up" the solar system by attracting nearby asteroids and comets and keeping them from harming the Earth. Without them, there would have been more meteor strikes, which could have led to many more mass extinction events.
Earth is at a perfect distance from the sun to support life. It's axel is at a perfect angle as well. There is water here on earth that also allows for humans to live on.
ReplyDelete2. The Rare Earth hypothesis argues that the emergence of complex life requires certain circumstances including a galactic habitable zone, a central star and planetary system having the requisite character, the circumstellar habitable zone, a right sized terrestrial planet, the advantage of a gas giant guardian and large satellite, conditions needed to assure the planet has a magnetosphere and plate tectonics, the chemistry of the lithosphere, atmosphere, and oceans, the role of "evolutionary pumps" such as massive glaciation and rare bolide impacts, and whatever led to the still mysterious Cambrian explosion of animal phyla. NASA has defined the principal habitability criteria as "extended regions of liquid water, conditions favorable for the assembly of complex organic molecules, and energy sources to sustain metabolism."
ReplyDeleteThe earth can support all living things because the main gases we have also our atmosphere that keeps bad things out. It also is the perfect distance away from the sun with helps all living things.
ReplyDeleteearths atmospheric composition, as well as its ideal tilt, and perfect distance away from the sun is what allow life to be supported on earth
ReplyDeleteThe most unique thing on that earth has is its capability to have water and life. Our earths temperature is so perfect that we have life growing from it and adapting with a ton of help from water.
ReplyDeleteEarth is able to support life because it is the perfect distance away from the sun that allows it to get energy from the sun, but not be too hot. It also has a stable orbit because of the moon, a perfect atmosphere, and plenty of water to sustain life.
ReplyDeleteFirst, earth contains a metal core which protects the earth from the sun's rays without this, the earth's surface and atmosphere would be dry and hot which would make life impossible. Second, it is a good distance from the sun which makes it an almost perfect climate for sustaining life. Earth has water and fertile land which are mandatory for life sustainability. The most important things that made life possible on earth happened a long time ago, however. The huge collision in the beginning of earth's history made the core larger and knocked important nutrients and minerals beneath the surface out and brought them to the top of the surface. The snowball earth era and the fire earth eon nearly wiped life out altogether, but later kick started life into forming from unicellular to multicellular organisms. The most catastrophic events on earth actually made complex life possible.
ReplyDeleteThe Earth is a perfect candidate of planetary habitability. In order for a body to be considered to have the potential to support multi-cellular life it has to have an endless energy source, sufficient orbital properties, an atmosphere, and also the proper resources to support life on the body. Earth’s energy source is the Sun, which gives off energy to our planet through radiation. Earth has sufficient orbital properties because it orbits around its energy source (the Sun) and the Moon to keep the climates at a fairly constant level. The Earth’s atmosphere is composed of nitrogen, oxygen, argon, and carbon dioxide which are mostly needed in order to allow breathing. The Earth is one of plentiful natural resources for its inhabitants from water, plants, crops, and also animals to lesson the instance of starvation among its inhabitants.
ReplyDeletethe main reason is that earth is the only planet that we know of that can support complex life forms
ReplyDeleteWater is an excellent solvent, capable of dissolving many substances. It also floats when it is frozen, unlike many liquids, meaning that ice can insulate the underlying fluid from freezing further. If water instead sunk when frozen, this would allow another layer of water to freeze and sink, and eventually all the water would get frozen, making the chemical reactions behind life impossible.
ReplyDeleteEarth has a moderate climate and atmospheric conditions that are not too extreme for life to survive, unlike many oaknets in our solar system. Earth also features large quantities of water, which supports complex life. Many different factors allow for the development and survival of complex life on Earth, there is a certainly a possibility that another planet may have conditions which are able to support complex life in the vast span of the universe
ReplyDeleteEarth is the right distance away from the sun. The area is called the habitable zone.this means the planet never moves so far away that it maintains the perfect atmospheric tempreture. This allows for a stable climate and change of the seasons. Another factor is the sufficient amount of stable elements on earth like oxygen and carbon. While there are very few planets which are similar to earth there are many small moons on which traces of life have been found.
ReplyDeleteEarth is the perfect distance from the Sun- the Earth isn't close enough to be stripped of it's protective atmosphere by the force and the heat of the sun, but it close enough to reap the benefits of the Sun's heat and energy. If the Earth's distance from the Sun differed in any way, human life could not be supported. Earth contains large quantities of water. This is a quality unique to Earth. Without water, mulitcelluar life could not be supported. Earth also conatins large quantities of carbon. As we are carbon based life forms, the fact that Earth contains large amounts of carbon allows human life to be supported. This along with many other qualities allow the Earth to support life.
ReplyDeleteA planet needs liquid water, an energy source and chemical building blocks like carbon, oxygen, hydrogen and nitrogen for the life forms we're familiar with to thrive. All of which Earth has, so that's why we can sustain multicellular life on our planet! It's also just close enough and just far away enough from the sun so that we can thrive on it, not be harmed by it.
ReplyDeleteTo determine if a planet is suitable for multicellular life, we have to study its composition, orbital properties, atmosphere, and potential chemical interactions. Important characteristics to look at it include mass and luminosity, stable variability, and high metallicity. If we look at Earth and take into account all these things we can observe that Earths Orbital properties and Earth's atmosphere are good and steady for multicellular life. Another thing to take into account is Earth's mass and and high metallicity. As for its mass Earth is 5.972E24 kg, and has a wide variety of metallicity therefore Earth is a very suitible planet for multicellular live.
ReplyDeleteEarth is so unique and able to support life because of it's perfect distance from the sun making the temperature on earth's surface suitable for life. Also the amount of water on earth's surface allows for life to be supported. The natural resources and atmosphere of earth are also ideal in fostering life.
ReplyDeleteEarth is able to support life because it is the exact distance away from the sun that it needs to be to support life while not being too hot. It has a moon that orbits around it that gives the planet gravity so human life doesnt just fall off the planet. Earth has a stable stmosphere that gives us good air to breathe and provides bodies of water such as oceans.
ReplyDeleteOn earth we have a very protective atmosphere, and also a very good water system along with a stable climate. Our planet differs from other planets in space because of the great resources and characteristics our earth has. We also have a atmosphere that contributes to life on earth along with the atmosphere which protects us from harmful things.
ReplyDeleteEarth can mainly support life because of this fact: it is the only planet we know of the contains water in all three forms, solid, liquid, and gas. Other factors that contribute is our perfect distance from the sun creating an ideal range of temperatures for life. We have an atmosphere that protects us from the suns radiation and is able to burn up most objects that would happen to come close to us. We also have a variety of elements available here on Earth that are necessary for life such as oxygen and carbon.
ReplyDeletestable climate and a protective atmosphere, it is a perfect distance and tilt so that it alternates seasons and has running water, CO2, stable habitable Ozone, gravity and ideal temperature for multicellular complex life.
ReplyDeleteIt has a large core that creates a magnetic field around the surface so solar radiation cant strip the atmosphere. Earth is also covered in liquid water which is probably the most important part of life besides oxygen and carbon dioxide.
ReplyDeleteIt has a large core that creates a magnetic field around the surface so solar radiation cant strip the atmosphere. Earth is also covered in liquid water which is probably the most important part of life besides oxygen and carbon dioxide.
ReplyDeleteEarth has a protective atmosphere. Also it contains all the things needed for life like oxygen, co2, water, etc.
ReplyDeleteEarth has an atmosphere that provides oxygen inside it and we also have water, oxygen, and carbon. Our planet is the perfect distance away from the sun to maintain life on it as well.
ReplyDeleteEarth is so unique because it is perfect for harboring life. It is the perfect distance away from earth to support life, the natural resources here are vital for our existence. The temperature and & atmosphere are also so important.
ReplyDeleteThere are many things about earth that make unique and that no other planets have. One is oxygen. We are able to live on earth because of water and oxygen. Earth is aslos the perfect distance from the sun. Not too hot not too cold
ReplyDeleteThe Earth has the perfect distance from the sun, to where it's not too hot but also not too cold. It has an atmosphere that can break up large rocks sucked into it's gravitational pull. It has the many layers that each help support complex life, such as the crust that physically supports life, and the core which creates a magnetic field to protect the planet from Solar wind.
ReplyDeleteEarth so unique is the fact that unlike all those planets, Earth is the only planet that is known to support multicellular and complex organisms like ourselves.
ReplyDeleteThe earth has a core at the right size for a good temperature to live in. It has a magnetic field that shields us from solar radiation. It has enough fresh water to support life. It's atmosphere is composed of an assortment of the right elements such as nitrogen, oxygen, and carbon.
ReplyDeleteThe qualities that Earth has that make it support a complex multicellular life planet, is that it acquired an improbable combination of astrophysical and geological events and circumstances.
ReplyDeleteEarth has a stable climate, and a protective atmosphere. And also earth has water which is also a huge contributor to it being able to sustain life. It's close to the sun but not too close to cause harm.
ReplyDeleteEarth has many qualities that make it suitable for life. For example, Earth is a good distance away from the Sun, Earth has a good atmosphere, and it is surrounded by large bodies of water. The Earth's core create a magnetic field to protect us from solar radiation, and the Earth has many different elements that help sustain life. Also, our moon keep the climate stable for life.
ReplyDeleteEarth is very unique in its own way, one because it has an atmosphere that protects us from harmful rays, also allowing multicelluar organisms to live. The magnetic fields produced from the right sized core is also a very unique feature.
ReplyDeleteHealthy ecosystems and sustainable environments are necessary for humans to survive. The qualities that the Earth has to be inhabitable is that it has water, an atmosphere, a magnetic field that shields us from solar radiation. Also, the planet is just far enough that it is the perfect distant from the sun without burning us up or freezing the planet over.
ReplyDeleteEarth is very unique. It is the perfect distance from the sun which causes the temperatures on earth to be suitable for life. Water on earth and the amount of it also makes it possible for us to live here. Earth has so many natural resources which make having life possible.
ReplyDeleteOur earth is able to support life because of its distance away from the sun. This makes the planet temperature perfect for sustaining life on earth. Our moon orbits and gives us gravity. Allowing us to not fall off the planet. Earth also has a stable atmosphere allowing us to breath, having large bodies of water, and ecosystems.
ReplyDeleteThe earth is a perfect distance away from the sun, stable climate, protective atmosphere, and the large amounts of water we have. The Earth also contains large amounts of carbon which humans need to sustain life.
ReplyDeleteThe stable climate and a protective atmosphere are two things that where made because of the distance between us and the sun. It is a perfect distance and tilt so that it alternates seasons and has running water, CO2, stable habitable Ozone, gravity and ideal temperature for multicellular complex life.
ReplyDeleteEarth is unique in that it is the perfect distance away from the sun and can maintain a stable temperature. It's also has an atmosphere that is suitable for protecting and supporting life.
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ReplyDeleteEarth is able to support life because of it's perfect distance away from the sun. It also has the natural resources here are vital for our existence. The temperature and & atmosphere are also very necessary.
ReplyDeleteIn order for a planet to sustain life they must be able to have various resources such as water, food, an atmosphere suitable for life, and a form of energy and Earth has all of these qualities. Due to it’s temperatures and an atmosphere it helps humans live buy giving us the ability to grow crops and water to drink. Also we have a sun that gives us energy through food and even through our skin.
ReplyDeleteIt is the perfect distance from the sun, and has a protective atmosphere, and a stable system.
ReplyDelete