(a) The planets move around the Sun in elliptical orbits with the Sun at one focus. The
Chapter 10, Problem 26(choose chapter or problem)
(a) The planets move around the Sun in elliptical orbits with the Sun at one focus. The positions of a planet that are closest to and farthest from the Sun are called its perihelion and aphelion, respectively. Use Exercise 25(a) to show that theperihelion distance from a planet to the Sun is andthe aphelion distance is .(b) Use the data of Exercise 25(b) to find the distances fromEarth to the Sun at perihelion and at aphelion.
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