Multiple Choice
What event will eventually move an average star off the main sequence of the H-R diagram?
A) Running out of hydrogen, causing gravitational influx, resulting in core temperatures high enough to begin fusing helium
B) Surface cooling due to hydrogen loss
C) Solar wind storms
D) Its drift through space due to the gravitational attraction of neighboring giant stars
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Which one of these elements is normally
Q28: On the H-R diagram our Sun is
Q36: What are the outward forces that act
Q50: A star's size stabilizes when<br>A)thermal pressure and
Q59: An active galactic nucleus<br>A)is a place of
Q63: Describe the fate of planet Earth if
Q84: If the Sun collapsed to a black
Q89: A white dwarf is a former<br>A)low-mass star.<br>B)high-mass
Q97: All of the stars we see at
Q107: The event that changes a protostar to