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Vulcan
Jun 14, 2021 1:42:05 GMT -5
Post by The Perilous Dreamer on Jun 14, 2021 1:42:05 GMT -5
Vulcan, a small hypothetical planet that was proposed to exist in an orbit between Mercury and the Sun. The 19th-century French mathematician Urbain Le Verrier hypothesized that peculiarities in Mercury's orbit were the result of another planet.
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