New Study Shows That Earth and Mars Had Different Origins
FROM THE PUBLISHER
According to Nebula Theory, the Solar System formed about four and a half billion years ago from a massive accretion disk of gas and dust that orbited our Sun. Alas, there are still questions about how they formed, with scientists favoring one of two possible pathways. Either they emerged from collisions between larger rocks (planetesimals), or from the gradual accumulation of pebbles by planetesimals.
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