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The History And Science Of Telescopes Online Quiz
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What were some of the first astronomical objects that Galileo discovered?
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A
Jupiter's Moons
💡 Explanation:
In 1610, Galileo Galilei used his telescope to discover the four largest moons of Jupiter, now known as the Galilean moons (Io, Europa, Ganymede, and Callisto). This discovery provided critical evidence for the Copernican heliocentric model of the solar system.