Author Question: According to Kepler's third law (p2 = a3), how does a planet's mass affect its orbit around the Sun? ... (Read 81 times)

stephzh · **on:** Jul 27, 2018

According to Kepler's third law (p2 = a3), how does a planet's mass affect its orbit around the Sun?

A) More massive planets orbit the Sun at higher average speed.
B) A planet's mass has no effect on its orbit around the Sun.
C) More massive planets must have more circular orbits.
D) A more massive planet must have a larger semimajor axis.

Question 2

Gamma-ray bursters seem scattered randomly over the entire sky.

Indicate whether the statement is true or false