The universe has so many black holes that it's impossible to count them all. There may be 100 million of these intriguing astral objects in our galaxy alone. Nearly all black holes fall into one of two classes: big, and colossal. ...
Astronomy
Aug 17, 2014
7
0
Magnetars are the super-dense remnants of supernova explosions. They are the strongest magnets known in the Universe—millions of times more powerful than the strongest magnets on Earth. A team of astronomers using ESO's ...
Astronomy
May 14, 2014
6
0
(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 X-ray Observatory ...
Astronomy
Jan 8, 2014
31
0
(Phys.org) —A dormant volcano—a supermassive black hole—lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago.
Astronomy
Sep 23, 2013
5
0
One might expect that collisions between the remains of monstrous stars, with masses reaching 200-300 times that of our Sun, would be among the most spectacular phenomena in the Universe. Perhaps they are, but we will unfortunately ...
Astronomy
Jul 11, 2013
7
0
(Phys.org) —Rock stars live fast, die young and end their days self-destructively. University of Alberta postdoctoral fellow Jeanette Gladstone says, surprisingly, some stars live the same way.
Astronomy
Jun 5, 2013
0
0
Astronomers have measured the spin of a black hole buried in the heart of a galaxy located 56 million light years away, and discovered it was spinning quickly – about as quickly as it could go. That was the big news, based ...
Astronomy
Mar 6, 2013
35
0
(Phys.org)—A team of researchers working at the Astrophysical Institute of the Canary Islands has found evidence of a previously unknown structure in the accretion disk of a black hole that is part of an X-ray binary system. ...
(Phys.org)—Some of the biggest black holes in the Universe may actually be even bigger than previously thought, according to a study using data from NASA's Chandra X-ray Observatory.
Astronomy
Dec 18, 2012
30
0
A research team led by the University of Iowa reports to have directly measured a kind of turbulence that occurs in space plasma for the first time in the laboratory.
General Physics
Dec 17, 2012
3
0
