Sirius A and B are two stars at the same distance from the Earth.In this binary system,Sirius A is much brighter but Sirius B is much hotter.From this information,what can you conclude about the two stars?
A) Sirius B must be much smaller than Sirius A.
B) Sirius B must be much larger than Sirius A.
C) Sirius B must be much more massive than Sirius A.
D) Sirius B must be much less massive than Sirius A.
Correct Answer:
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