Author Question: Eclipsing binaries are the most useful, giving us sizes as well as masses of the pair. Indicate ... (Read 22 times)

RYAN BANYAN · **on:** Jul 27, 2018

Eclipsing binaries are the most useful, giving us sizes as well as masses of the pair.

Indicate whether the statement is true or false

Question 2

A star (no matter what its mass) spends most of its life:

A) as a protostar.
B) as a main sequence star.
C) as a planetary nebula.
D) as a red giant or supergiant.
E) as a T Tauri variable star.