How was aristarchus's explanation of the movement of objects in the sky different from other scientists' earlier explanations? check all that apply.
a. he discovered venus’s phases.
b. he argued that earth rotates on its axis.
c. he explained the concept of retrograde motion.
d. he described the epicycles of the planets in the sky.
e. he stated that the sun is the center of the solar system.
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Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.
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How was aristarchus's explanation of the movement of objects in the sky different from other scienti...
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