Radio signal reveals supernova origin

In the latest issue of the journal Nature, astronomers from Stockholm University reveal the origin of a thermonuclear supernova explosion. Strong emission lines of helium and the first detection of such a supernova in radio waves show that the exploding white dwarf star had a helium-rich companion. Read more at In this video: Animation of a supernova explosion. Video Credit: Adam Makarenko/W. M. Keck Observatory Subscribe: Join Science X channel to support our mission: Thank you for helping our YouTube channel reach new heights! Hitting subscribe aids us in our mission to bring you the latest and greatest research news in science, medicine and technology.