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Title: What affects the average orbital speed of a star in our galaxy? Post by: killian on Apr 29, 2014 What affects the average orbital speed of a star in our galaxy?
A) The mass of the galaxy inside its orbit and size of its orbit B) The mass and age of the star C) The star's mass and the mass of the galaxy D) The mass and age of the galaxy Title: Re: What affects the average orbital speed of a star in our galaxy? Post by: padre on Apr 30, 2014 Content hidden
Title: Re: What affects the average orbital speed of a star in our galaxy? Post by: killian on Apr 30, 2014 Thank you.
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