If a contracting protostar is five times the radius of the sun and has a temperature of only 2000 K, how luminous will it be?
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![If a contracting protostar is five times the radius of the sun and has a temperature of only 2000 K,
how luminous will it be?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fadbb6fa3-6b43-4484-8eb2-c92bfed12f92%2Ffc11234e-c8d0-4405-841c-a284a1b8bfba%2F72rsrux_processed.png&w=3840&q=75)
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