When he was 28 years old, Galileo became a professor of mathematics at the University of Padua, where he taught geometry, mechanics and astronomy. But many of his teachings went against the ...
Galileo played with this formula until ... Ten years after that, 40 to 50 feet. By 1673, [Polish astronomer] Johannes Hevelius had constructed a telescope 150 feet long on the shores of the ...
AstronomerGalileo Galilei discovered it in 1610, in 2011—some four centuries later—NASA launched its Juno mission. The spacecraft has been exploring the Jovian system since 2016, beaming jaw ...
1610: Astronomer Galileo Galilei observed four of Jupiter’s moons for the first time. 1955: Singer Marian Anderson became the first Black American to sing ...
📅 Today in History: In 1610, Italian astronomer Galileo Galilei, through improvements he made on a homemade telescope, first observed Jupiter’s four Galilean moons: Ganymede, Callisto, Io and Europa.
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