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At the time of Copernicus, what was the strongest argument against the heliocentric or Sun-centered model of the Solar System?

The fact that the earth does not seem to be in motion

Telescopic observations showing that the solar system orbits were not circular

The fact that Mars has episodes of retrograde motion

The fact that Venus shows phases

User Jdot
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12 votes

Answer:

the fact that Venus shows phases

Step-by-step explanation:

User Ruediste
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