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Chapter 1

1A-1

QuestionAnswer
Beside the stars, what seven heavenly bodies were ancient astronomers able to observe? Sun, Moon, Mercury Venus, Mars Jupiter Saturn
What is the name of the ancient theory of the universe that states that the earth is at the center and all heavenly bodies revolve around it? Geocentric
What person in the second century A.D. is most noted for his work on improving and promoting the theory of geocentric? Ptolemy
What did Ptolemy call the transparent spheres in his theory of geocentric? deferent
some astronomers believed the planets moved in circular loops within their spheres. What were these loops called? epicycles
Created by: 1588794465
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