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answers:
poldi say: There is at least one planet full of living beings - plants, insects, microbes, mammals, birds, reptiles, and amphibians.
There could be life on other planets or moons, just because we haven't found any yet doesn't mean it doesn't exist.
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Brigalow Bloke say: lack of suitable chemistry on all or most of them
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Evan H say: Earth is the only place in the solar system that can support life as we know it. I mean there are outside chances that some life may exist on some moons of Jupiter and Saturn may be warm enough due to the heat given off by the planets to support microbiological life but there would not be the oxygen and water needed for earth like life
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quantumclaustrophobe say: We aren't sure that's true... but, we're looking.
Some planets are just not likely to have life - Mercury, with no atmosphere; Venus - with such high temperatures... the gas worlds - probably too turbulent to allow chemicals to combine to produce life... But, there are moons around some of these worlds that may have life. And, Mars isn't completely written off yet. We haven't found any there, but we continue to look.
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Paul say: How do you know there aren't?
There is definitely life on Earth and Earth is a planet in our solar system.
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nineteenthly say: It's not known that there aren't. Various places are potentially home to life: the upper Venusian atmosphere, Mars, Jupiter, Europa, Ganymede, Callisto, Enceladus and Titan could all have life
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Nyx say: There's no one here, but us chickens.
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say: there is algea on the iss windows found by Russian hackers because its under water where they do fake space walks and astronauts almost drown in their suits..........google bubbles in space walk
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rick29148 say: We don't really know that. We know there are no human-like life forms that breath air, but nothing else. There could be insect-like bugs that breath chlorine and eat sand. We won't know for sure until we've landed on each planet and searched it closely...
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L. E. Gant say: We're here!!!!!
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