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killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
He developed a system for predicting planetary positions that remained in use for some 1,500 years.
A) Tycho Brahe
B) Copernicus
C) Kepler
D) Galileo
E) Ptolemy
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Answer accepted by topic starter
padrepadre
wrote...
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Educator
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Posts: 21610
10 years ago
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killian Author
wrote...
Silver Member
10 years ago
Thanks for helping me with my astronomy homework
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