What is the energy source that heats a contracting protostar?

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What is the energy source that heats a contracting protostar?

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niczorrrr 1 month 2021-07-31T22:51:23+00:00 1 Answers 3 views 0

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    2021-07-31T22:52:54+00:00

    your answer would be gravitational potential energy

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