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quantumclaustrophobe say: While it's possible, at this point we simply don't know... All anyone has is their own opinion. My opinion is that there are so many planets out there, at least a *few* would likely have life - but... we have no evidence either way..
So, keep an open mind, because we won't know unless it comes to Earth and says 'hi', or until we can search every planet there is and find nothing.
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spot a say: This is very likely somewhere in the universe. We do not know yet. For example the NASA rovers have only examined about 50km of the surface of Mars in some wiggly way. Probably they have examined less than 3 square km of the surface. The Mars orbiters have examined all the surface but they cannot see microbial life from up there. Maybe they could see a Martian equivalent of an elephant or a dinosaur if one existed. On the beaches of earth there are creatures less than 2mm long in the sand
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drake say: Probably not in this galaxy
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Michael say: it's possible................
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Andrew Smith say: This is a trick question. A religious person wants the answer NO because they wish to say that if earth is the only planet out of the myriads that exist then it must be the work of God.
Of course we cannot know the answer. And we may never know.
Even when we look for symptoms of life we are looking for organic materials similar to that on earth. Perhaps other life may have nothing to do with the sorts of compounds that exist on earth.
We simply do not have sufficient knowledge to even make a definitive test.
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Katrina say: Pretty sure there is. Think of it this way...
We just discovered we have planets going around our sun. The sun is a star. There's many, Many, MANY stars out there, with planets going around them. Our SOLAR SYSTEM is only one of millions, billions out there. There's just got to be life out there. There's just got to be...
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