what is the biggest nebula ever?

Question: what is the biggest nebula ever?
- Keywords:
  galaxy,
  nebula,
  universe
Asked by Kim-Jommy-un to Angela, Claire, Ian, Robert, Sarah on 13 Nov 2014.
- Angela Stokes answered on 13 Nov 2014:
  
  Hi Kim-Jommy-un
  I am not an astronomer, but I think from memory (and quizzes) that the Tarantula Nebula is the largest known……however you may know different!

Question: what is the biggest nebula ever?