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Humankind Came 9 Billion years after BB
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August 24th 16, 08:47 PM posted to alt.astronomy
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Humankind Came 9 Billion years after BB
you could say it was 4.x billion years, after our solar system was formed
so ask,
how many solar systems were formed - [way] before ours?
it could be quite a few
marc
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