One star has a surface temperature of 6000 K and another has a surface temperature of 7000 K. If the two stars have the same absolute luminosity, which star has the largest radius?
A)
the star at 6000 K
B)
the star at 7000 K
C)
The two stars have the same radius.
D)
Not enough information is given to determine.
A
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A. 30 J B. 30 kJ C. 38 J D. 38 kJ
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A) 0 m/s2 B) 0.15 m/s2 C) 1.5 m/s2 D) 15 m/s2
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The observed temperature difference between the northern and southern hemispheres of Uranus:
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