How Can a Star Survive a Super Nova? #SpaceSaturday

A lot of people have a list of unintentionally scary things from childhood: the animated adaptation of Watership Down, Charlie and the Chocolate Factory, Time Bandits. For some Bay Area kids, the scariest thing in the world was the sudden, shocking supernova effect in the classic space exploration show at the old Morrison Planetarium in the even older California Academy of Sciences. No doubt the new Morrison Planetarium in the not quite as new California Academy of Sciences will be far less terrifying. But just in case the supernova effect, if there is one, is just as scary as it was in the 80s, keep in mind that, apparently, some real stars can survive even the most terrifyingly real supernovas. Here’s more from Phys.Org:

A supernova is the catastrophic explosion of a star. Thermonuclear supernovae, in particular, signal the complete destruction of a white dwarf star, leaving nothing behind. At least that’s what models and observations suggested.

So when a team of astronomers went to look at the site of the peculiar thermonuclear supernova SN 2012Z with the Hubble Space Telescope, they were shocked to discover that the star had survived the explosion. Not only had it survived—the star was even brighter after the supernova than it had been before.

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