Multiple Choice
Measurements indicate that a certain star has a very high intrinsic brightness (100,000 times as bright as our Sun) ,yet is relatively cool (3500 K) .How can this be?
A) There must be an error in observation because no star can have this form.
B) The star must be quite small.
C) The star must belong to the main sequence.
D) The star must be very large.
Correct Answer:
Verified
Correct Answer:
Verified
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