Is the Center of Our Galaxy a Black Hole?

It could be a super massive black hole, or it could be something else. All we know is that it's super heavy. It's four million times the mass of our sun, and it's pretty small. So how could it not be a black hole? Well, it depends a little bit on what it is - things always collapse into a black hole because they have ways of resisting that collapse. But there are also other explanations. And people have a very specific theory for what could be at the centre of the galaxy that's resisting this collapse,. but i guess, you know, if you hadFour million times themass of our sun in it. If it was just gas or dust