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Christiaan Huygens

From Simple English Wikipedia, the free encyclopedia
Painted portrait of Christiaan Huygens.

Christiaan Huygens (audio speaker iconlisten ) (April 14, 1629–July 8, 1695) was a Dutch physicist, mathematician and astronomer, born in The Hague. He was known for his idea that light was made of waves. He discovered Saturn's largest moon Titan in 1655. He also did detailed studies on Saturn's rings, and in 1656, he discovered that they are made up of rocks. He also studied optics and pendulum clocks.