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

Fact 2: Stars are on an outermost celestial sphere.

Given the two facts above, answer the question "What is formed when a high mass celestial body collapses?" with the following options: 
- rays or beams
 - Calcium carbonate
 - It gets heated up
 - fossil fuels
 - scattered light
 - layers of fat
 - a black hole
 - heating liquids


 

       a black hole  