When it comes to black holes, matter really matters. After all, if it weren't for all the matter crunched into a tiny space, an extreme gravity zone could never form. But it's not just how much matter in how small a space that makes a difference. How a star's matter collapses also affects the black hole that forms. Which question might be answered as you continue to read the text?

O What other factors besides amount of matter affect the formation of a black hole?

O What are the ways a star's matter might collapse?

O Why is matter important to the formation of a black hole?

O When does an extreme gravity zone form?