Galileo’s First Telescope

GalileoOn this date 400 years ago, Italian scientist Galileo presented his revolutionary telescope to lawmakers and merchants in Venice. Within a year, Galileo used his telescope to discover Jupiter’s four moons.

After exploring the stars and planets with his telescope, Galileo suggested that the Sun was the center of the solar system rather than Earth. This idea was not well received, and Galileo spent the end of his life under house arrest.

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