Author Question: In a binary system, the more massive stars always stay closer to the center of mass and move slower. ... (Read 94 times)

maychende · **on:** Jul 27, 2018

In a binary system, the more massive stars always stay closer to the center of mass and move slower.

Indicate whether the statement is true or false

Question 2

When a star's inward gravity and outward pressure are balanced, the star is said to be:

A) in gravitational collapse.
B) in thermal expansion.
C) in rotational equilibrium.
D) in hydrostatic equilibrium.
E) a stage 2 protostar.