All known black holes fall into two categories: small, stellar-mass black holes weighing a few Suns, and supermassive black holes weighing millions or billions of Suns. Astronomers expect that intermediate-mass black holes ...
Astronomy
Feb 8, 2017
3
708
The beautiful spiral galaxy visible in the center of the image is known as RX J1140.1+0307, a galaxy in the Virgo constellation imaged by the NASA/ESA Hubble Space Telescope, and it presents an interesting puzzle. At first ...
Astronomy
Jan 13, 2017
8
246
It's an intricate process through which massive stars lose their gas as they evolve, and a more complete understanding could be just calculations away—if only those calculations didn't take several millennia to run on normal ...
Astronomy
Nov 22, 2016
0
11
The sign of a truly great scientific theory is by the outcomes it predicts when you run experiments or perform observations. And one of the greatest theories ever proposed was the concept of Relativity, described by Albert ...
Astronomy
Oct 5, 2016
5
1
The very idea that a black hole could have a temperature strains the imagination. I mean, how can something that absorbs all the matter and energy that falls into it have a temperature? When you feel the warmth of a toasty ...
Space Exploration
Sep 5, 2016
5
62
If two galaxies collide, the merging of their central black holes triggers gravitational waves, which ripple throughout space. An international research team involving the University of Zurich has now calculated that this ...
Astronomy
Sep 5, 2016
4
1976
The center of the Milky Way galaxy is currently a quiet place where a supermassive black hole slumbers, only occasionally slurping small sips of hydrogen gas. But it wasn't always this way. A new study shows that 6 million ...
Astronomy
Aug 29, 2016
38
253
Are massive black holes hiding in the halos of galaxies, making up the majority of the universe's mysterious dark matter? This possibility may have been ruled out by a star cluster in a small galaxy recently discovered orbiting ...
Astronomy
Aug 10, 2016
0
91
Scientists may have found a link between the pulsations of light coming from a black hole accretion disk and the "breathing" of that disk.
Astronomy
Jun 21, 2016
0
140
First postulated more than 230 years ago, black holes have been extensively researched, frequently depicted, even featured in sci-fi films.
Astronomy
Jun 16, 2016
57
749
