In "Black Hole Beginnings," what is described as an effect of a star up to nine times the mass of the sun running out of fuel?
It goes supernova.
It turns into a black hole.
It stays the same.
It turns into a white dwarf.

D. It turns into a white dwarf.

Explanation:

A star that has a very low mass would not become a supernova. Instead, its inner core turns into a small, whitish ball of cooling material named a white dwarf, every day you see a lightweight star that is destined to become a white dwarf is the sun.

what are the lines. come on!