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The one constant in the Universe: StarDate magazine
Who invented the telescope? 
The true inventor of the first telescope is somewhat difficult to nail down. However, the first person to apply for a patent on a telescope was Hans Lippershey, a lensmaker in the Netherlands, in 1608.

The first astronomical use of the telescope is easier. After learning of the new device, the great Italian scientist Galileo Galilei designed and built his own. He turned his finest telescopes toward Jupiter, the Moon, and Venus in 1609 and 1610.

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