A Star In Orion Is Dimming. Is It About To Explode?
"Okay, it wouldn't technically be an explosion. And if it's "about" to happen, it already
happened. About 650 years ago. We'll explain, with astronomer Emily Levesque, who studies massive stars at the University of Washington. Follow Short Wave's Emily Kwong on Twitter @emilykwong1234. Email the show at shortwave@npr.org."