Answer: (I) Neptune is an average distance of 4.5 X 109 km
Chapter 6, Problem 6.39(choose chapter or problem)
(I) Neptune is an average distance of 4.5 X 109 km from theSun. Estimate the length of the Neptunian year using the factthat the Earth is 1.50 X 108 km from the Sun on the average.
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