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Has Earth Splattered Life All Over the Solar System?

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Lithopanspermia: put that word in your “cool new space words” dictionary. But what does it mean? It means spreading life, preserved within chunks of Earth rock, after being hit by huge meteorite impacts. It also means that terrestrial life could be the proverbial space invaders of science fiction, and not vice versa.

In new research, scientists have investigated the probability of chunks of Earth’s crust being blasted from our planet’s surface by asteroid impacts over the past 3.5 billion years, potentially spreading the seed of life to other planets in our solar system.

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