A main-sequence star twice as massive as the Sun would last___
about half as long as the Sun
much less than half as long as the Sun
about twice as long as the Sun
much longer than twice as long as the Sun
If stars A and B are both main-sequence stars and star A has a greater fusion rate than star B, which of the following statements hold(s)?
Check all that apply.
Star A must be more luminous than star B.
Star A must be less luminous than star B.
Star A must be more massive than star B.
Star A...