Science News21d
A cosmic ‘Platypus’ might link two astronomical mysteries
A flash of light called the Platypus has hallmarks of a mid-sized black hole shredding a star and a type of burst thought to be a stellar explosion.
Astronomy1mon
Supermassive black hole births jets, hosts orbiting white dwarf, all while astronomers watch
A white dwarf would also lose angular momentum through gravitational waves, but it also has an additional source of energy. By slowly losing its outermost material to the supermassive black hole ...
Yahoo1mon
Mysterious flashing seen near supermassive black hole. Astronomers have an idea what it is
It's believed that a dead stellar remnant, or white dwarf, could be spinning precariously on the edge of the black hole, causing the explosions of high-energy light. “This would be the closest ...
EurekAlert!1mon
X-ray flashes from a nearby supermassive black hole accelerate mysteriously
In this artist’s rendering, a stream of matter trails a white dwarf orbiting within the ... though dramatic shut-off was a first in black hole astronomy. Members of the MIT team have now caught ...
Reuters1mon
Intrepid white dwarf has a close encounter with a massive black hole
White dwarfs are among the most compact objects in the cosmos, though not as dense as a black hole. Stars with up to eight times the mass of our sun appear destined to end up as a white dwarf.