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16 Cards in this Set
- Front
- Back
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Cataclysmic formation of the moon |
4.5ga |
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Formation of earth |
4.56ga |
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Formation of the solar system |
4.567ga |
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First stars and galaxies |
12.8-13.75ga |
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|
Deionization of the universe |
13.75ga |
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|
Big bang |
13.8ga |
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Great oxidation |
2.3ga |
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First record of eukaryotic cells |
2.1-2.2ga |
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First multicellular organisms |
1.2 |
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Cambrian era |
541-585 |
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Hadean |
4.0-2.5 |
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Archean |
2.5ga-541ma |
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Proterozoic |
541-252ma |
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Phanerozoic |
252-66ma |
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Heavy bombardment |
4000ma |
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Ediacarin |
542ma |
