how many years can a comet completely orbit around the sun?
a. 100 to hundred million years
b. 200 to hundred million years
c. 300 to hundred million years
d. 400 to hundred million years
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how many years can a comet completely orbit around the sun?
a. 100 to hundred million years
b. 200 to hundred million years
c. 300 to hundred million years
d. 400 to hundred million years
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Answer:
B - 200 million years
Explanation:
Short-period comets need roughly 200 years or less to complete one orbit, long-period comets take more than 200 years, and single-apparition comets are not bound to the sun, on orbits that take them out of the solar system, according to NASA.