News tagged with black holes

Hardy star survives supernova blast

(Phys.org) —When a massive star runs out fuel, it collapses and explodes as a supernova. Although these explosions are extremely powerful, it is possible for a companion star to endure the blast. A team ...

Mar 20, 2014
4.6 / 5 (16) 0

Mysterious quasar sequence explained

Quasars are supermassive black holes that live at the center of distant massive galaxies. They shine as the most luminous beacons in the sky across the entire electromagnetic spectrum by rapidly accreting ...

Sep 10, 2014
4.7 / 5 (15) 12

Glimpsing the infrastructure of a gamma-ray burst jet

(Phys.org) —A new study using observations from a novel instrument provides the best look to date at magnetic fields at the heart of gamma-ray bursts, the most energetic explosions in the universe. An international ...

Dec 04, 2013
4.8 / 5 (13) 0 | with audio podcast

Death by black hole in small galaxy?

(Phys.org) —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra ...

Jan 08, 2014
5 / 5 (12) 31 | with audio podcast