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How long does it take the star and planet to complete one orbit around their center of mass?
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9 votes
9 votes
How long does it take the star and planet to complete one orbit around their center of mass?

User Insign
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1 Answer

27 votes
27 votes

Answer:

i think about 225-250 million years

Step-by-step explanation:

Bottom line: The planets in our solar system orbit (revolve) around the sun, and the sun orbits (revolves) around the center of the Milky Way galaxy. We take about 225-250 million years to revolve once around the galaxy's center. This length of time is called a cosmic year.

User Kennon
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