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1 jan 1859 ano - Pseudo-Planet (1859) Urbain Le Verrier observed the strange orbit of Mercury. He proposed that a planet called "Vulcan" must exist, and would account for the oddities of Mercury's orbit. No such planet would ever be observed, but rather Einstein's theories would later explain the observations.

Adicionado na linha do tempo:

28 fev 2020
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Data:

1 jan 1859 ano
Agora
~ 166 years ago

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