Did Asteroid Bombardment Make Life Possible?

Space

Photo credit: The look a bit similar, but why did Earth and Venus end up so different? Credit: NASA

An asteroid collision wiped out the dinosaurs, and similar events may have punctuated evolution. However, a paper published in Nature Geoscience proposes that, much earlier in Earth’s story, the frequent bombardment from space created conditions that allowed life to thrive, not...

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