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Originally Posted by Rob Instigator
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still, the closest star is 4 light-years away. don't know anything that travels at light speed except for radiation. a comet (if it could go between solar systems) is what, 1km/sec when it's farthest from the sun, so it could go what, 1.2 million years to go from here to alpha centauri... but even if that tardigrade survived, it wouldn't leave the solar system.
life going from one planet to another-- sure, may be possible-- otherwise, abiogenesis is the most likely explanation for the origin of life on earth.
Quote:
Originally Posted by evollove
This is all very interesting.
But let's say we finally discover some cosmic-seed-distributing species. Where did they come from? Whether or not there is a God will forever be an open question, even if we happen to discover damn-near everything about the physical universe.
Yes? If so, does this depress you, elate you, or change nothing?
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http://en.memory-alpha.org/wiki/Ancient_humanoid