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OpenStudy (anonymous):

Which famous astronomer observed Venus and Jupiter and supported Copernicus's theory of a heliocentric solar system?

OpenStudy (anonymous):

Galileo Galilei

OpenStudy (anonymous):

Galileo Galilei

OpenStudy (anonymous):

I was here first

OpenStudy (anonymous):

Haha

OpenStudy (anonymous):

I get the medal

OpenStudy (anonymous):

But i replied first...

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