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18-10-2022
Physics

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if the rotation curve of a galaxy is rising outside distance r from the galaxy’s center, this indicates that group of answer choices the galaxy is still forming, because mass is moving upwards towards the center there is no additional mass farther than r from the galaxy’s center the total enclosed mass at distances greater than r is decreasing the total enclosed mass at distances greater than r is increasing the galaxy is expanding: the stars at its edge are moving away from the center

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