One of the lowest mass supermassive black holes ever observed in the middle of a galaxy has been identified, thanks to NASA's Chandra X-ray Observatory and several other observatories. The host galaxy is of a type not expected ...
Astronomy
Oct 24, 2012
4
4
(Phys.org)—Brian Svoboda of the University of Arizona, who recently studied the chemical and temperature environment of NGC 660, believes that unique morphology arises from a previous interaction with a gas-rich galaxy. ...
Astronomy
Oct 18, 2012
1
0
(Phys.org)—Scientists at the University of Cambridge have used cutting-edge infrared surveys of the sky to discover a new population of enormous, rapidly growing supermassive black holes in the early Universe. The black ...
Astronomy
Oct 8, 2012
1
0
(Phys.org)—Almost thirty years ago the Infrared Astronomy Satellite, IRAS, discovered that the universe contained many fabulously luminous galaxies, some of them more than a thousand times brighter than our own galaxy, ...
Astronomy
Oct 8, 2012
3
0
(Phys.org)—Nature hath no fury like a dying star—and astronomers couldn't be happier...
Astronomy
Aug 30, 2012
0
0
(Phys.org) -- New evidence from NASA's Chandra X-ray Observatory challenges prevailing ideas about how black holes grow in the centers of galaxies. Astronomers long have thought that a supermassive black hole and the bulge ...
Astronomy
Jun 11, 2012
1
1
Astronomers, using the European Space Agency's (ESA) Herschel Space Observatory, have shown that the number of stars that form during the early lives of galaxies may be influenced by the massive black holes at their hearts. ...
Astronomy
May 9, 2012
34
0
(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have found several examples of galaxies containing quasars, which act as gravitational lenses, amplifying and distorting images of galaxies aligned behind them.
Astronomy
Mar 15, 2012
1
0
(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each. At 13 billion years of age, these globular clusters are almost as old as the universe itself ...
Astronomy
Feb 14, 2012
1
0
New images of a nearby dwarf galaxy have revealed a dense stream of stars in its outer regions, the remains of an even smaller companion galaxy in the process of merging with its host. The host galaxy, known as NGC 4449, ...
Astronomy
Feb 8, 2012
0
0
