Assume that the disk of the Milky Way has a radius of 20 kpc (20 thousand parsecs). It contains 100...
camcsisgpeyAssume that the disk of the Milky Way has a radius of 20 kpc (20 thousand parsecs). It contains 100 billion stars, each with a radius similar to the Sun's, 6.96 x 1010 cm. What fraction of the galaxy's disk is covered by stars?
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999999.99
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