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If the Sun collapsed to a black hole,the time required for the Earth to orbit the collapsed Sun would
Q2: Which of the following describes the practice
Q2: Earth's Moon is about the<br>A)same size of
Q14: Which of the following is not a
Q36: Which term refers to all of the
Q61: Our local group is composed of how
Q63: The lowest temperature on any given day
Q66: The temperature of a star is evidenced
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Q109: In a thunderstorm,the falling rain creates<br>A)an updraft