Galactic crashes fuel quasars, study finds
When galaxies collide, bright things happen in the universe.
Astronomy
Jun 18, 2015
20
1937
News tagged with host galaxy
Related topics:
galaxies
· black holes
ALMA weighs supermassive black hole at center of distant spiral galaxy
Supermassive black holes lurk at the center of every large galaxy. These cosmic behemoths can be millions to billions of times more massive than the Sun. Determining just how massive, however, has been daunting, especially ...
Astronomy
Jun 18, 2015
7
143
Large Hubble survey confirms link between mergers and supermassive black holes with relativistic jets
In the most extensive survey of its kind ever conducted, a team of scientists have found an unambiguous link between the presence of supermassive black holes that power high-speed, radio-signal-emitting jets and the merger ...
Astronomy
May 28, 2015
57
1813
Hubble video shows shock collision inside black hole jet
When you're blasting though space at more than 98 percent of the speed of light, you may need driver's insurance. Astronomers have discovered for the first time a rear-end collision between two high-speed knots of ejected ...
Astronomy
May 27, 2015
37
3837
Giant galaxies die from the inside out
A major astrophysical mystery has centred on how massive, quiescent elliptical galaxies, common in the modern Universe, quenched their once furious rates of star formation. Such colossal galaxies, often also called spheroids ...
Astronomy
Apr 16, 2015
2
109
Hubble finds phantom objects near dead quasars
NASA's Hubble Space Telescope has photographed a set of wispy, goblin-green objects that are the ephemeral ghosts of quasars that flickered to life and then faded.
Astronomy
Apr 2, 2015
2
147
Measuring galaxy evolution with globular clusters
Globular clusters are gravitationally bound ensembles of stars, as many as a million stars in some cases, grouped in roughly spherical clusters with diameters as small as only tens of light-years. Globular clusters are typically ...
Astronomy
Mar 23, 2015
1
58
New study confirms the presence of dark matter in the inner part of the Milky Way
The Universe is pervaded by a mysterious form of matter, dubbed dark matter, about five times more abundant than the ordinary matter—made of atoms—we are familiar with. Its existence in galaxies was robustly established ...
General Physics
Feb 9, 2015
60
298
Black hole chokes on a swallowed star
A five-year analysis of an event captured by a tiny telescope at McDonald Observatory and followed up by telescopes on the ground and in space has led astronomers to believe they witnessed a giant black hole tear apart a ...
Astronomy
Jan 26, 2015
56
2356
Image: Hubble sees an ancient globular cluster
This image captures the stunning NGC 6535, a globular cluster 22,000 light-years away in the constellation of Serpens (The Serpent) that measures one light-year across.
Astronomy
Jan 5, 2015
1
61
