Black holes
What is a Black hole?
A mass of gravity.
Dark matter is matter made to stop it's expansion and-
re collapse.
When was black holes discovered
First seen in 1964-1970s
Can dark matter be destroyed.
NO
what is in the center of the milky way.
A Black hole
what makes up most of the galaxy?
Is it possible to escape a black hole.
No
What % of dark matter fill the universe.
85%