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by
Ciro Santilli
(@cirosantilli,
32
)
Great Oxidation Event (2.5 Bya)
archean
/
proterozoic
barrier.
Ancestors
Extinction event
Geologic time scale
Earth science
Earth
Planet in the Solar System
Solar System
Orion Arm
Arm of the Milky Way
Milky Way
Local group
Virgo Supercluster
Astronomy
Natural science
Science
Index
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