Astronomy
Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Chapter 3, Problem 6E

Which major planet has the largest . . .

A. semimajor axis?

B. average orbital speed around the Sun?

C. orbital period around the Sun?

D. eccentricity?

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Students have asked these similar questions
Pluto’s orbit around the Sun is highly elliptical compared to the planets in our Solar System. It has a perihelion distance of 29.7 AU and an aphelion distance of 49.5 AU. a) What is the semi-major axis of Pluto’s orbit, in AU? b) What is Pluto’s orbital period, in Earth years?
Kepler's 1st law says that our Solar System's planets orbit in ellipses around the Sun where the closest distance to the Sun is called perihelion. Suppose I tell you that there is a planet with a perihelion distance of 2 AU and a semi-major axis of 1.5 AU. Does this make physical sense? Explain why or why not.
16. What is the orbital period of Deimos? Recall Kepler's 3rd law: (Ta/Tb)^2 = (Da/Db) ^3 where Ta & Tb are the periods of orbiting bodies, and Da & Db are the respective distance of the orbiting bodies.

Chapter 3 Solutions

Astronomy

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