How large would a bucket of water have to be to put out the sun?

Question: How large would a bucket of water have to be to put out the sun?
- Keywords:
  bucket,
  sun,
  water
Asked by anon-197620 to Rosanna on 6 Mar 2019.
- Rosanna Tilbrook answered on 6 Mar 2019:
  
  Water won’t actually be able to put out the Sun. Water puts out fires here on Earth because it stops the fire from consuming oxygen, which it needs to burn, but the Sun burns due to nuclear reactions in its core, which don’t need oxygen (there’s none in space)! There’s a really good YouTube video explaining this in more detail here: https://www.youtube.com/watch?v=0GOPAxEBDro

Question: How large would a bucket of water have to be to put out the sun?