My personal favorite is Eta Carinae which could be 20 times the size of Betelgeuse and may be big enough to be a hypernova. It may explode in our lifetimes. P

My personal favorite is Eta Carinae which could be 20 times the size of Betelgeuse and may be big enough to be a hypernova. It may explode in our lifetimes. Pretty pictures at http://en.wikipedia.org/wiki/Eta_Carinae http://en.wikipedia.org/wiki/Eta_Carinae