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Solar System Planets: Order of the 8 (or 9) Planets

April 30, 2021
Solar System Planets: Order of the 8 (or 9) Planets
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There used to be nine planets. Now there are eight, or maybe there are nine after all. Whichever you prefer, here is a list of them in the order they appear in the solar system.



May 1, 2021 at 04:08AM
via Space.com read more...

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