A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays ...
Oct 29, 2012
3.9 / 5 (14)
1
|
The super-massive black hole at the center of the Milky Way Galaxy has a healthy appetite, frequently snacking on asteroids and comets. Now, a cloud of gas and dust called G2 is on a dangerous course to become ...
Oct 29, 2012
5 / 5 (1)
1
Astronomers using the NASA/ESA Hubble Space Telescope have obtained a remarkable new view of a whopper of an elliptical galaxy, with a core bigger than any seen before. There are two intriguing explanations ...
Oct 25, 2012
4.8 / 5 (6)
8
|
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 ...
Oct 24, 2012
4.5 / 5 (4)
4
|
NASA's newest set of X-ray eyes in the sky, the Nuclear Spectroscopic Telescope Array (NuSTAR), has caught its first look at the giant black hole parked at the center of our galaxy. The observations show ...
Oct 24, 2012
4.9 / 5 (9)
2
|
Scientists at the University of Arizona and in California have completed the most challenging large astronomical mirror ever made.
Oct 23, 2012
4.9 / 5 (13)
8
Hubble astronomers have looked at one of the most distant and brightest quasars in the universe and are surprised by what they did not see: the underlying host galaxy of stars feeding the quasar. The best ...
Oct 23, 2012
5 / 5 (3)
28
Combining observations from Mauna Kea with data taken by telescopes in space, astronomers at the Institute for Astronomy (UH Manoa) and their collaborators have developed a technique that allows them to ...
Oct 23, 2012
3.4 / 5 (5)
2
|
(Phys.org)—Get ready for a fascinating eating experience in the center of our galaxy.
Oct 22, 2012
4.4 / 5 (24)
7
|
(Phys.org)—Blasting over two million lights years from the centre of a distant galaxy is a supersonic jet of material that looks strikingly similar to the afterburner flow of a fighter jet, except in this ...
Oct 22, 2012
4.8 / 5 (8)
29
|
(Phys.org)—Quasars are among the most powerful energy sources known—some are as luminous as one hundred thousand Milky Way galaxies. Astronomers know that quasars have massive black holes at their cores ...
Oct 22, 2012
5 / 5 (2)
14
|
A German woman who feared the Earth would be sucked into oblivion in a black hole failed Tuesday in her court bid to stop the work of the world's most powerful atom smasher.
Oct 16, 2012
3 / 5 (1)
24
(Phys.org)—Sightings of ball lightning have been made for centuries around the world – usually the size of a grapefruit and lasting up to twenty seconds – but no explanation of how it occurs has been ...
Oct 12, 2012
4.4 / 5 (21)
11
|
European researchers studied accumulation of stellar material onto stars and black holes to gain insight into the growth and evolution of galaxies.
Oct 11, 2012
4 / 5 (1)
2
Black holes in distant galaxies can provide us with vital knowledge about our planet. Chalmers is currently building two new telescopes which, despite the fact they are directed out into space, will measure and map the Earth.
Oct 11, 2012
not rated yet
0
