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

Fact 2: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity.

Given the two facts above, answer the question "When do stars fulfill the inevitable conclusion of Einstein's General Theory of Relativity?" with the following options: 
- inactive
 - Winter
 - an object
 - observe it
 - collapse
 - light
 - our star
 - ligt


 

     collapse    