How long did it take for life to begin a
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Antonio Lazcano; Stanley L. Miller
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Article
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1994
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Springer
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English
⚖ 917 KB
There is convincing paleontological evidence showing that stromatolite-building phototactic prokaryotes were already in existence 3.5 x 10(9) years ago. Late accretion impacts may have killed off life on our planet as late as 3.8 x 10(9) years ago. This leaves only 300 million years to go from the p