This Weird Star Survived a Supernova Only to Shine Even More Brightly Than Before
When it comes to going out with style, nothing comes close to the end of a white dwarf. Their thermonuclear self-destruction ranks among the most powerful explosions in the cosmos, forcing the star to wink out of existence in a blaze of glory.
At least, that's the idea. A discovery confirms some white dwarfs fake their deaths with a lackluster performance, only to go on shining even brighter than before.Ten years ago, supernova SN 2012Z was spotted in the nearby spiral galaxy NGC 1309, glowing briefly in a swan song…