When were the planets discovered?

July 14, 2020January 6, 2012 by Pamela Landy

Mercury, Mars, Venus, Jupiter, and Saturn were known from ancient times.

Uranus was discovered in 1781, Neptune in 1846, and Pluto in 1930.

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1 thought on “When were the planets discovered?”

Anonymous

November 20, 2009 at 8:35 pm

when where inner planets discovered?

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