Name ______________________________ Date ___________________________

Label the diagram.

1. What happens to the mass of the black hole as it takes in material from the companion star?

2. Why is there an accretion disk surrounding the black hole?

3. What force causes the material to be pulled towards the singularity?

4. What makes it possible for us to "see" a black hole?

5. At what point can material no longer escape from the black hole?

6. At what point can material no longer escape from the black hole?