Which Galilean moon is large enough to be bigger than the planet Mercury?
Answer
Ganymede
Ganymede, one of Jupiter's four largest moons, is noted as being larger than the planet Mercury.
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Why Was Galileo's Discovery Of Jupiter's Moons So Groundbreaking?
Related Questions
Who first systematically documented the four orbiting objects near Jupiter in early 1610?What single instrument improvement was the most crucial factor enabling the discovery of the Galilean moons?What existing astronomical model was directly challenged by the observation that celestial bodies did not orbit Earth?Who suggested the names Io, Europa, Ganymede, and Callisto for the moons?What was Galileo's initial designation for the moons he discovered?Which Galilean moon is large enough to be bigger than the planet Mercury?Why was Jupiter a more favorable target for early telescopic observation than Mars?What scientific prerequisite transformed Galileo's fleeting sightings into a confirmed discovery?What key element of the intellectual climate made Galileo’s discovery scientifically potent at the time?Besides superior tracking, what factor aided the rapid reception of Galileo's findings?Which of these figures, besides Galileo, is noted for having potentially glimpsed the moons accidentally?