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Physics 18 Online
OpenStudy (anonymous):

In the history of astronomy, which of the following is true? A: Tycho Brahe built one of the first observatories. B: Ptolemy was criticized for his work on the heliocentric model. C: Nicolaus Copernicus could NOT prove that the sun was the center of the universe. D: Johannes Kepler argued that Earth was the center of the universe.

OpenStudy (anonymous):

I think A is not correct...C is not correct,I'm sure,He could...D is not correct too and he argued that Earth was not the center of the universe ... so B is correct... Ptolemy said that Earth was the center of the universe...

OpenStudy (anonymous):

OK?

OpenStudy (chmvijay):

have a look at this and then answering will be easy http://faculty.history.wisc.edu/sommerville/351/351-182.htm

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