Galileo Galilei
Galileo Galilei
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What happened with Galileo Galilei on 10 January, 1610

10 January, 1610

Galileo Galilei noted that one of the 'stars' he had observed near Jupiter on January 7th had disappeared, attributing it to being hidden behind Jupiter. This observation strengthened his conviction that these were not fixed stars, but rather celestial bodies orbiting Jupiter.
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