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Changed line(s) 1 (click to see context) from:
Present-day Earth turns out to be young... on a cosmic scale, that is.
to:
Present-day Earth turns out to be young... on a cosmic scale, that is.is.
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-->[-Visit unabridged version [[EarthIsYoung HERE]]-]
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-->[-Visit unabridged version [[EarthIsYoung HERE]]-]
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