Spacetime With Stuart Gary
91: Black hole ASASSN
- Autor: Vários
- Narrador: Vários
- Editor: Podcast
- Duración: 0:31:02
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Sinopsis
Stream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) S19Ep91: *Black hole ASASSN A sudden unusually bright flash of light in a distant galaxy -- which was thought to be the explosive death of a star as a supernova -- has turned out to be an even more spectacular stellar death – the total destruction of a star by a supermassive black hole. New observations indicate the unusually bright flash – which had been named ASASSN-15LH – and which was originally thought to be the brightest supernova ever seen -- was actually a tidal disruption event -- caused by a star being ripped to pieces after venturing too close to a monstrous black hole. *New search for Earth’s unseen companions NASA’s OSIRIS-REx mission is about to begin a search for possible Earth Trojan asteroids. OSIRIS-Rex is on a two-year flight to rendezvous with the asteroid Bennu and it will be ideally positioned in February to undertake a survey of a region which often contains asteroids known as Trojans