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jan 1, 1610 - Galileo

Description:

He discovered the moons of Jupiter through his observations. He concludes that planets must revolve around the Sun as moons revolve around Jupiter. Ptolemy's geocentric view was referenced, and he agreed on Copernicus's heliocentric view.

Added to timeline:

16 Oct 2017
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Date:

jan 1, 1610
Now
~ 416 years ago