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400 million years to build a planet?
#8
Like you said, the entire moving group is also of a similar age: 400-500ish million years old. On the other hand, it does have foreign stars crossing through it. A rock from a X-billion year old planet would give me a jump start, at least allowing well-evolved algae to take root earlier.

On the gripping hand, before the atmosphere is oxygenated there's a ton of UV light to justify rapid mutation.
Mike Miller, Materials Engineer
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"Everbody's always in favor of saving Hitler's brain, but when you put it in the body of a great white shark, oh, suddenly you've gone too far." -- Professor Farnsworth, Futurama
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400 million years to build a planet? - by Cray - 09-21-2015, 10:40 AM
RE: 400 million years to build a planet? - by Cray - 09-23-2015, 03:35 AM

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