On the cosmic calendar, life arise on earth about 300,000 years ago
The Cosmic Calendar is a method to visualize the chronology of the universe, The Cosmic Calendar is a scale in which the 13.7 billion year lifetime of the universe is mapped onto a single year. T
Earth formed in early September on the cosmic calendar. about 300,000 years ago in actual time, that anatomically modern humans, Homo sapiens, arose for the first time.
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