Author Question: Small deviations in a planet's orbital motion A) indicate the presence of an extensive ... (Read 41 times)

robinn137 · **on:** Jul 27, 2018

Small deviations in a planet's orbital motion

A) indicate the presence of an extensive atmosphere.
B) imply the nearby presence of a massive body.
C) indicate the presence of a powerful magnetic field.
D) show the planet's orbit isn't stable.
E) show we don't fully understand gravitational forces yet.

Question 2

Compared to an open cluster, a globular cluster will have more hot, blue stars.

Indicate whether the statement is true or false