A detailed view of Betelgeuse on a collision course with a nearby wall …

Betelgeuse is one of my favorite objects to look at, partly because of its pure red color, and mostly because my imagination fills in the rest. That bright red star — this shoulder of Orion — is a supergiant that's dozens of times more massive than our Sun, and ready to detonate as a supernova any day now (any day… » 1/23/13 8:40am 1/23/13 8:40am