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

Fact 2: If a star has a mass larger than 25 solar masses, it collapses into a black hole.

Given the two facts above, answer the question "Stars that have mass larger than 25 solar masses can form what?" with the following options: 
- moons
 - power stations
 - black holes
 - an object
 - suns
 - planets
 - scattered light
 - heat energy


 

   black holes      