Multiple Choice
The bright star named Rigel has a luminosity of 66,000 LSUN and a temperature of 11,000 K.What is its radius? Note that the temperature of the Sun is 5800 K.
A) 5 RSUN
B) 30 RSUN
C) 70 RSUN
D) 135 RSUN
E) 190 RSUN
Correct Answer:
Verified
Correct Answer:
Verified
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