physics

19 08, 2017

What are planets? Astronomy – Space science

By |2018-09-10T17:46:23-07:00August 19th, 2017|Physics|Comments Off on What are planets? Astronomy – Space science

What are planets? The planet Venus from space Before there were planets For several hundred million years after the Big Bang, there were no planets, only stars. Planets couldn't form until the [...]

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