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jan 1, 1609 - Galileo invented the spyglass

Description:

The spyglass let you see something 30 times bigger than normal size. one time he was using the spyglass(telescope)he had looked up at the sky and seen the moon and started studying it, and he seen craters,valleys,and mountains.

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Galileo timeline and facts!

Bywilliam
21 Nov 2017
1
1
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Date:

jan 1, 1609
Now
~ 417 years ago
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