Question

does a planet need an atmosphere to have gravity

Answer 1

Answer:

May be the answer of this question is there is no need of atmosphere to have gravity.

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According to my point of view this is the correct answer.

Answer 2

Gravity is an important influence on root growth, but the scientists found that their space plants didn't need it to flourish. The research team from the University of Florida in Gainesville thinks this ability is related to a plant's inherent ability to orient itself as it grows

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