Posted by **Jordan** on Wednesday, October 6, 2010 at 1:50pm.

A) Calculate the mass of the sun from the radius of the earth's orbit (1.50×1011 m), the earth's period in its orbit, and the gravitational constant G.

B) What is the density of the sun ? (The sun's radius is 6.96×108 m). Notice how it compares with the density of the earth.

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