Author Question: Kepler's second law, which states that as a planet moves around its orbit it sweeps out equal areas ... (Read 61 times)

LCritchfi · **on:** Jul 27, 2018

Kepler's second law, which states that as a planet moves around its orbit it sweeps out equal areas in equal times, means that

A) planets have circular orbits.
B) the period of a planet does not depend on its mass.
C) a planet travels faster when it is nearer to the Sun and slower when it is farther from the Sun.
D) a planet's period does not depend on the eccentricity of its orbit.
E) planets that are farther from the Sun move at slower average speeds than nearer planets.

Question 2

Which of the following gases is not a significant ingredient of the jovian planet atmospheres?

A) carbon dioxide B) water C) hydrogen D) helium