sj2367 sj2367
  • 25-10-2016
  • Physics
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What was the solar system like when the moon formed?

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Emoji9702
Emoji9702 Emoji9702
  • 25-10-2016
It consisted of a few dozen of proto-planets and quite a lot of comet-like, icy, small stuff and bigger asteroids, much more than still exist today. Most of the dust and gas of the proto-planetary disk had already disappeared, blown away by the Sun when it ignited. 
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