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3 votes
Whose contributions to astronomy explained how planets were held in their orbits?

A. Aristotle
B. Copernicus
C. Ptolemy
D. Newton
E. Brahe
F. Kepler

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User Gravis
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1 Answer

5 votes

Answer:

D newton

Step-by-step explanation:

he did extensive research on gravity, and gravity is what holds planets in orbits.

answered
User Akash Babu
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