If atmospheric refraction did not occur, which change would be most noticeable during the observation of stars from Earth?

Question

If atmospheric refraction did not occur, which change would be most noticeable during the observation of stars from Earth? — Exam MCQ

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D. Stars would not twinkle; their light would remain steady. — Action and reaction forces always act on two different bodies. The gravitational force acting on an upward-thrown ball is not paired with another force acting on the same ball as an action-reaction pair.

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A. Stars would change color rapidly.

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B. Stars would disappear from the night sky.

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C. Planets would twinkle like stars.

If atmospheric refraction did not occur, which change would be most noticeable during the observation of stars from Earth?

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