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Need help with a college astronomy question involving Kepler's Third Law.?
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09-18-2008, 01:37 PM
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 Need help with a college astronomy question involving Kepler's Third Law.? Here is the question: The Earth orbits the Sun, and its elliptical orbit is characterized by a = 1.496 x 10^(11) m. It takes one year (365.25 days) to go around the Sun. Given that the universal constant of gravitation is given by G = 6.67259 x 10^(-11). Calculate the mass of the Sun. I have tried solving it with equations he has given us in class, but the lecture notes he has online don't really make sense, and I'm lost.      |
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