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Chapter 1
1A-1
Question | Answer |
---|---|
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 |