In the history of astronomy, which of the following is true?

Johannes Kepler was a student of Tycho Brahe.

Galileo Galilei built one of the first observatories.

Ptolemy argued that the sun was the center of the universe.

Isaac Newton was criticized for his work on the geocentric model.

Question

In the history of astronomy, which of the following is true? 

 Johannes Kepler was a student of Tycho Brahe. 

 Galileo Galilei built one of the first observatories. 

 Ptolemy argued that the sun was the center of the universe. 

 Isaac Newton was criticized for his work on the geocentric model.

anonymous · Answer

Brahe was the assistant of Kepler.
I'd go with B
it was the earth he argued was the center of the universe.
I don't believe D is true

anonymous · Answer

it is A http://openstudy.com/study?login#/updates/4fc56655e4b022f1e12cf44a

anonymous · Answer

Oh. sorry