Multiple Choice
What is characteristic of a main sequence star?
A) It has a mass less than the Sun's.
B) It has rapid rotation and a strong stellar wind.
C) Nuclear fusion in the core varies due to the amount of gravitational contraction that occursand which heavy elements are produced.
D) The rate of nuclear energy generated in the hydrogen to helium fusing core equals the rateradiated from the surface.
E) All of the above are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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