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Suppose Our Sun Were Suddenly Replaced by a Supergiant Star

Question 56

Multiple Choice

Suppose our Sun were suddenly replaced by a supergiant star. Which of the following would be true?


A) The supergiant would appear as large as the full Moon in our sky.
B) Earth would be inside the supergiant.
C) Earth would fly off into interstellar space.
D) The supergiant's surface temperature would be much hotter than the surface temperature of our Sun.

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