PHYS 284 Actual Test| Correct Question & Answer
PHYS 284 Actual Test| Correct Question & Answer 1) How does the Sun's mass compare with that of the planets? A) It is a hundred times more massive than Earth. B) It is a thousand times more massive than Earth. C) It is a hundred times more massive than all the planets combined. D) It is a thousand times more massive than all the planets combined. E) It is about as massive as all the planets combined. - CORRECT ANSWER-Answer: D 2) Where does nuclear fusion occur in the Sun? A) on the surface B) anywhere below the surface C) in its core D) just above the visible surface E) all of the above - CORRECT ANSWER-Answer: C 3) Which planet has the highest average surface temperature, and why? A) Mercury, because it is closest to the Sun B) Mercury, because of its dense carbon dioxide atmosphere C) Venus, because of its dense carbon dioxide atmosphere D) Mars, because of its red color E) Jupiter, because it is so big - CORRECT ANSWER-Answer: C
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