milkshakegrande101
milkshakegrande101
25.07.2019 • 
Chemistry

Astudent made the following observations about astronomical bodies. observation 1: mars reverses its direction of motion in the sky. observation 2: the stars appear brighter at different times of the year. which observation(s) can be explained using the heliocentric model? a. only observation 1 b. only observation 2 c. both observation 1 and observation 2 d. neither observation 1 nor observation 2

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