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IXPE telescope untangles theories surrounding historic supernova remnant phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Decades of hunting detects footprint of cosmic ray superaccelerators in our galaxy eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
After so many years writing about astronomy, I am pleased to report that there are still things going on in the Universe that can make the hair on the back of my stand up. Let me share a multi-part story with you about dancing dead stars, what strange beast remains after the music stops, and the sometimes explosive result. Very explosive. White dwarfs are the leftovers of stars like the Sun after they die. When a star like that runs out of nuclear fuel it swells up into a red giant, blows off its outer layers, and leaves behind only its intensely hot and dense core. This is the white dwarf. ....
| UPDATED: 15:02, Tue, Feb 9, 2021 Link copied Sign up for FREE for the biggest new releases, reviews and tech hacks SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they ll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. Supernovas come in various shapes and sizes but are widely regarded as the Universe s biggest fireworks. Astronomers originally classified these as either Type I or Type II supernovas although today we know there are many more types with their own quirks. One such classification is a Type Ia supernova, which involves a white dwarf - the hot core of a star that has shed its outer layers - being ripped apart by a runaway thermonuclear reaction caused by the star merging with or siphoning too much material from a nearby ....