If Earth were twice as massive but it revolved at the same distance from the Sun, its orbital period would be
A) 4 years.
B) 3 years.
C) 2 years.
D) 1 year.
E) 6 months.
D
Physics & Space Science
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projected outward from the Sun's surface into space are referred to as the a) solar wind. b) sunspot cycle. c) chromosphere. d) umbra.
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Most stars in the Milky Way's halo are ________
A) found inside molecular clouds B) very young C) blue or white in color D) very old
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A 3,000 kg truck experiences a net force of 2,000 N. What is its acceleration?
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The light-gathering power of a telescope increases as the size of the objective increases
a. True b. False Indicate whether the statement is true or false
Physics & Space Science