On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...
Astronomy on MSN
Jan. 7, 1610: Galileo sees four moons of Jupiter
On Jan. 7, 1610, Galileo Galilei turned his self-built telescope, which he had recently made improvements to, towards Jupiter ...
AstroKobi on MSN
The fate of Galileo’s discoveries
Galileo Galilei is recognized as one of the most important scientists in history. He perfected the first telescopes and his discoveries revolutionized our understanding of the universe. However, he ...
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