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Physics 6 Online
OpenStudy (anonymous):

At planet X, there is another planet called Y about 34 million light years away. The radius of planet X is 1 * 10^9 m. How far away from the center of the planet X is the planet Y in meters?

OpenStudy (anonymous):

Speed of light, 299 792 458 mps, So traveling for 34 years = (34 x 365.242) days which is (34 x 365.242 x 24) hours which is (34 x 365.242 x 24 x 60 x 60) seconds. Now distance = velocity x time so light will travel: (34 x 365.242 x 24 x 60 x 60)s x (299792458)mps Add to this the radius of Planet X (presuming the 34 million light year measurement was taken from the surface) (34 x 365.242 x 24 x 60 x 60)s x (299792458)mps + (10^9 m)/2 = distance of Y to center of X

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