World History Minute: January 7, 1610, Galileo discovers Jupiter moons

World History Minute: January 7, 1610, Galileo discovers Jupiter moons
World History Minute: January 7, 1610, Galileo discovers Jupiter moons

World History Minute: January 7, 1610, Galileo discovers Jupiter moons

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For our World History Minute, historian John Schmidt tells us about the day Galileo Galilei discovered the moons around Jupiter. PHOTO: NASA montage of New Horizons images of Jupiter and its volcanic moon Io, taken during the spacecraft’s Jupiter flyby in early 2007. (AP Photo/NASA)