The God of Exploding Stars
By John Starke THE CRAB NEBULA is an exploding star about forty-two hundred light years away. I first learned about it in Annie Dillard’s Teaching a Stone to Talk . Light from this exploding star first became visible to earth in 1054. It was a supernova then, so bright it could be seen during the daytime. A thousand years later, the star is still exploding. What explodes for a thousand years? What has the density and size to keep up this pace? If you look at the Crab Nebula today through binoculars, it looks like a little ring. If you stare at it, even with earnest stillness, you will see no movement. The naked eye clothed with binoculars looks at this exploding star, and it seems more like a statue. “Photographs of the Crab Nebula taken fifteen years ago seem identical to photographs of it taken yesterday,” and yet the Crab Nebula is expanding at the rate of seventy million miles a day, and it’s been doing that for millennia. 1 We are in a universe where something that has incr...