How fast does the sun travel around the center of the galaxy?
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150 miles
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150 miles/year
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150 miles/minute
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150 miles/second
D
Correct answer
Explanation
The Sun orbits the center of the Milky Way galaxy at approximately 220-230 kilometers per second. Converting to miles gives about 150 miles per second. This orbital period takes about 225-250 million years to complete one revolution around the galactic center.