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Basic Properties of the Sun
•Radius: R  = 6.96 ´ 105  km    (q=diameter/distance)
•Mass: M = 1.99 ´ 1030 kg
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Density (r) of water = 1 gm/cm3
Average density of Sun:  r = 1.41 gm/cm3
Will be higher in center and (much) lower on outside