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Assume the a star orbits the center of the Galaxy in 340 million years at a...

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Advance Math

Assume the a star orbits the center of the Galaxy in 340 millionyears at a distance of 40,000 light-years. Given thatD3=(M1+M2)×P2D3=(M1+M2)×P2, where DD is the orbital distance (inAUs) and PP is the orbital period (in years), what is the mass ofthe Galaxy within the star's orbit? (Hint: 1 light-year =63,240 AU).

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4.4 Ratings (873 Votes)
We know that From generalised Keplers Third Law we have MP2 a3 where P is    See Answer
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