Fact 1: Ablack hole is formed by a high-mass star collapses.

Fact 2: And, of course, the Sun is a star.

Given the two facts above, answer the question "What can form a black hole if it collapses?" with the following options: 
- heat
 - a prism
 - nucleus
 - sun's heat
 - forces
 - an object
 - the Sun
 - starfish


 

       the Sun  