What does a black hole do?

Question: What does a black hole do?
- Keywords:
  black hole
Asked by Mxtt_17.0 to Peter on 14 Nov 2016. This question was also asked by Morgan pnug289, CoreyUTD23, Lucy2004simmons, Grace Malone.
- Peter Boorman answered on 14 Nov 2016:
  
  Hi Mxtt_17.0,
  
  Black holes are extremely dense objects with a very strong gravitational pull. For this reason, they tend to attract other massive objects towards them!
  
  Peter

Question: What does a black hole do?