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staedtler staedtler
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7 years ago
What is the relationship between the mass of a protostar and the time needed for it to reach the main sequence after it forms inside an interstellar cloud?
A)   More massive protostars reach the main sequence in a shorter time than less massive protostars.
B)   Less massive protostars reach the main sequence in a shorter time than more massive protostars.
C)   The time needed is independent of the mass of the protostar.
D)   The time needed is least for a protostar of approximately 4 solar masses and longer for protostars of either greater or lesser mass.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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7 years ago
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staedtler Author
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6 years ago
Grinning Face Exactly what I needed
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