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Actually there is a possibility for a moon too in our solar system.
Mars : is one of them even the ozone is not enough and theres plenty of radiation, plus there is no known source of liquid water, underground may have life.We haven't visited there but a dream is we will go to Mars and drill a hole underground and expore whether or not there is life.
Europa : It is one of the moons of Jupiter. Even though on the surface it is absolute freezing under that thick ice may be a different story. Europa has no atmosphere but with a ice sheet that has a great depth it might work. Under the ice there could be a underwater ocean where life exists. The possibility of actual liquid water in Europa (even the sun is far away) is depended on Jupiter. When orbiting Jupiter the moon stretches at a point and compress back.When closer to Jupiter, gravity is responsible for this. When after a while it is possible for making heat and then, liquid water would be there.
In other solar systems and galaxies we don't know any other planets but only by guess. But for human life there is no real known planet that has the right atmosphere and has liquid water suitable for Human life.
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What is the largest of four rocky planets and the only place known to support life?
earth
Do any other planets have an atmosphere like earths and if they did could it support life?
At the moment, no planets are known to have conditions similar to Earth's for supporting life. If there planets similar to Earth, there would definitely be living organisms of some sort. On the other hand, there is slightly less chance of sentinent life such as our own species existing.
Which of the planet other than earth has an atmosphere and season?
The truth is, the other planets DO have atmosphere's.The other planets also have seasonshttp://wiki.answers.com/Why_does_the_Earth_have_an_atmosphere_while_other_planets_do_not#ixzz1b9iAZNuy
Is there any life on terrestrial planets?
Some do. Three of the four terrestrial planets in the solar system have atmospheres: Venus, Earth, and Mars. Only Mercury lacks an atmosphere.
WHY IS EARTH THE ONLY PLANET SUPPORT LIFE?
Earth is the only planet we know of that has life because on other planets the atmosphere won't let us breathe in it and they are either too cold or too hot. ~Dan
What sort of planets can support life?
Earth
Why is earth called a unique planets?
as far as we know it is the only planet that has water and life
What is the largest of four rocky planets and the only place known to support life?
earth
How is earth different from all the other planets?
It has dogs, fish, trees, people, and cars on it.
Is earth and Venus two planets tha support life?
earth is the only planet in the solar system. there might be another planet thats in the solar system tht can support life.
Are there any other planets that sustain life?
So far, earth is the only planet known to support life, but many scientists thing that life probably exists on other planets.
Why did God create life on other planets besides earth?
Scientists say that life can be expected to have evolved on other planets, wherever the environment is not so hostile that life can not be supported. They say that in this vast universe there must be many such planets that can support life and that some are likely to support intelligent life forms even more advanced than humans. Whether we believe that our God created the life on other planets is a matter of human faith. No doubt any intelligent life on other planets will never have heard of Earth's gods.
Do we assume that no life can live on other planets because humans can't?
No. There are life forms on Earth that can survive in extreme conditions where humans can't. The environment on Earth when life first emerged would have been toxic to us. If other planets have these conditions then they may support life. The main ingredient scientists believe to be necessary for life is liquid water. Earth is the only planet known to support liquid water on its surface, but we know very little about the planets that exist outside of our solar system. While it is unlikely that life exists on any of the other planets in our solar system, we have no way of knowing with current technology if planets in other solar systems support life.
What other planets-other then earth-may support life?
Life probably does not exist on any of the known planets (except earth). But if life does exist on one of those planets, it would probably be on Mars. Venus is way too hot, Mercury does not have an atmosphere, and the other four planets are made up almost entirely of gas.
Do aliens possibly exist?
Yes. There are estimated to be at least 100 billion planets in our galaxy alone, some of which seem to be similar to Earth. Given those numbers it seems pretty likely that life would have emerged on planets or moons aside from Earth.
Would the atmospheres on the 4 largest planets support earth type life forms?
No. superplanets have high gravity which would crush earth type lifeforms. They may have life which is unlike any on earth.
Do any other planets have an atmosphere like earths and if they did could it support life?
At the moment, no planets are known to have conditions similar to Earth's for supporting life. If there planets similar to Earth, there would definitely be living organisms of some sort. On the other hand, there is slightly less chance of sentinent life such as our own species existing.
