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Originally Posted by Doug
Ken, there is a lot of sense in what you say about the extreme environments here that support life. But those extremes do not characterize the Earth,
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Those extremes are a part of our Earth. So therefore, all environments on this planet characterise 'Earth'.
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Originally Posted by Doug
so a planet that did major in those extremes could not be called 'Earthlike', do you think?
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No, it wouldn't. That's my point.
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Originally Posted by ballaratdragons
Why does a planet have to be Earth-like to harbour life.
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What I am saying is that it is possible for a dark, boiling, freezing, methane, sulphur infested planet to contain life. It can be a Giant, or miniscule, rotating fast or slow, or anything out of 'our' ordinary. But extreme and hostile environments have proven beyond doubt that life 'could' exist almost anywhere. We can't wrap it all up neatly and say "because it's not Earthlike, it can't harbour life".
Now stop making me sound all serious
