A new study finds Betelgeuse is smaller and closer to us than astronomers believed - how close is it to exploding as a supernova?
Red Giant Star Betelgeuse is Smaller and Closer than Thought
Red Giant Star Betelgeuse is Smaller and…
Red Giant Star Betelgeuse is Smaller and Closer than Thought
A new study finds Betelgeuse is smaller and closer to us than astronomers believed - how close is it to exploding as a supernova?