Nasa scientists discover evidence 'that alien life exists on Saturn's moon'

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If the case is that this is a life form based on something other than carbon and water, then it would be far more likely that there is at least some form of intelligent life outside of our solar system.
 
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If the case is that this is a life form based on something other than carbon and water, then it would be far more likely that there is at least some form of intelligent life outside of our solar system.
Yup. :)
 
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http://www.nasa.gov/topics/solarsystem/features/titan20100603.html

"Scientific conservatism suggests that a biological explanation should be the last choice after all non-biological explanations are addressed," Allen said. "We have a lot of work to do to rule out possible non-biological explanations. It is more likely that a chemical process, without biology, can explain these results - for example, reactions involving mineral catalysts."
I'm rooting for bio, though.
 
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We're not going to find complex life unless we find a planet like Earth.

We'll just keep finding bacteria.
 

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We're not going to find complex life unless we find a planet like Earth.

We'll just keep finding bacteria.
Citation needed.
 
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But the mediocrity principle states otherwise:

http://en.wikipedia.org/wiki/Mediocrity_principle

And so we're back to square one, where we simply do not know and so continue to search for answers, though my belief is reality tends to lean a little more towards the mediocrity principle.
 
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I wonder if we're the smallest or biggest aliens in the universe, or somewhere (obviously) in between?
 
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We're clearly neither. You need only to look outside to confirm this.
 
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Size of the planet, atmosphere composition, and a **** load of other stuff can influence the size of creatures. Under the right conditions, you could have whales flying through the sky.
Hmm life is a funny thing really. I mean describe life. In certain ways you could consider fire alive.

I think it's possible for life to be not carbon based.
 
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If we're to believe the big bang, that means that everything could possibly be carbon based. We obviously base other planets on how they compare to Earth.

So far, that's been working... as we've discovered a lot of planets that appear similar to Earth. But, are we just catching them in a certain stage of planet life/process?

You'd hope all the solid/rock planets work the same, at least for OUR sake.
 
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In theory, if there was a planet similar to ours, then a smaller planet and thus lower gravity would allow for bigger animals - and so would a high concentration of O2.
 
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Based on designs as we find them on Earth, yes. But still, there's no way to be certain if there aren't other lifeforms out there (unless we find them, or they find us), completely different from any mammals we know. Which could also possibly ruin the theory of needing an Earth-class-like planet. That said, it is also unknown whether or not life is 'uncommon' in the universe. What is you definition of common then? We can only see a small sand particle in a desert of stars and planets. Just because we haven't found them yet, doesn't mean they are uncommon. For all we know, intelligent life might be hiding themselves from us, choosing not to interfere in a slowly evolving race who has yet to perfect interstellar travel.
 

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