The earliest life-forms survived such infernal events by escaping deep into the ground, miraculously emerging again and again. The Earth has gone through innumerable catastrophic events, and life has survived by acquiring new abilities to live through each crisis. Earth was born as a result of repeated asteroid collisions, the moon created by a single giant impact event. Then, Earth’s size attracted huge meteorites, which slammed into it, causing high temperature rock vapor to cover the entire surface and evaporate all ocean water.
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