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Title: Which of these observations of Galileo refuted Ptolemy's epicycles? Post by: Tsync on Feb 9, 2016 Which of these observations of Galileo refuted Ptolemy's epicycles?
A) the rotation of sunspots across the Sun's surface B) the complete cycle of Venus' phases C) the craters on the Moon D) the visibility of many more stars with the telescope E) the revolution of Jupiter's moons around it Title: Re: Which of these observations of Galileo refuted Ptolemy's epicycles? Post by: Ratatouille on Feb 9, 2016 Content hidden
Title: Re: Which of these observations of Galileo refuted Ptolemy's epicycles? Post by: Tsync on Mar 2, 2016 You answered my question so timely, I really value that, thank you
Title: Re: Which of these observations of Galileo refuted Ptolemy's epicycles? Post by: Ratatouille on Mar 3, 2016 Cool :D
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