Author Question: Moonquakes release about as much energy as A) a moderate earthquake. B) a nuclear fission bomb. ... (Read 136 times)

laurencescou · **on:** Jul 27, 2018

Moonquakes release about as much energy as

A) a moderate earthquake.
B) a nuclear fission bomb.
C) the eruption of Mt. St. Helens in 1980.
D) a firecracker.
E) nothing. There are no moonquakes since the Moon is geologically dead.

Question 2

In a spectroscopic binary, if a pair shows a combined set of lines tonight, but a maximum split two nights later, its orbital period must be

A) one day.
B) two days.
C) four days.
D) eight days.
E) twelve days.