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[[Image:galileo.gif|thumb|300px|Galileo Gallilei]]
[[Image:Copernicus_system.gif|thumb|250px|The Copernicus System]]
1564-1642 Italian astronomer who perfected the [[telescope]] and was persecuted for adhering to the theory of [[Copernicus]].
1564-1642 Italian astronomer who perfected the [[telescope]] and was persecuted for adhering to the theory of [[Copernicus]].
In 1609, Galileo made his most famous invention, the telescope. It was modeled after other telescopes made in Europe. With it, he was able to witness a supernova, observe our moon, and document the phases of Venus. He also located sunspots. These discoveries helped support the Copernican system.
In 1609, Galileo made his most famous invention, the telescope. It was modeled after other telescopes made in Europe. With it, he was able to witness a supernova, observe our moon, and document the phases of Venus. He also located sunspots. These discoveries helped support the Copernican system.