News articles tagged with 'quasar'
Black holes and warped space: New UK telescope shows off first
— 10 Dec 2010 20:15 | AstronomySpearheaded by the University of Manchester's Jodrell Bank Observatory and funded by the Science and Technology Facilities Council, the e-MERLIN telescope will allow astronomers to…
'Russian doll' galaxy reveals black holes' true power
— 24 Nov 2010 22:48 | AstronomyFollowing a study of what is in effect a miniature galaxy buried inside a normal-sized one - like a Russian doll - astronomers using a CSIRO telescope have concluded that massive black…
Cosmic curiosity reveals ghostly glow of dead quasar
— 4 Nov 2010 13:51 | AstronomyWhile sorting through hundreds of galaxy images as part of the Galaxy Zoo citizen science project two years ago, Dutch schoolteacher and volunteer astronomer Hanny van Arkel stumbled…
Astrophysicists discover a quasar that acts as a cosmic lens
— 21 Jul 2010 08:42 | AstronomyA quasar acting as a gravitational lens has now been observed for the first time. This discovery, made by the EPFL's Laboratory of Astrophysics in cooperation with Caltech, represents…
Astronomers discover an unusual cosmic lens
— 16 Jul 2010 12:39 | AstronomyAstronomers at the California Institute of Technology (Caltech) and Ecole Polytechnique Federale de Lausanne (EPFL) in Switzerland have discovered the first known case of a distant…
Galaxy encounter fires up quasar
— 25 Jun 2010 13:08 | AstronomyUsing two of the world's largest telescopes, an international team of astronomers have found evidence of a collision between galaxies driving intense activity in a highly luminous quasar.…
Details in the structure of a distant quasar
— 1 Jun 2010 20:06 | AstronomyAfter first tests of the individual antennas, the observations now bring together eight stations of the 'LOw Frequency ARray' (LOFAR), Five stations in the Netherlands were connected…
After growth spurt, supermassive black holes spend half their lives veiled in dust
— 26 Mar 2010 12:48 | AstronomySupermassive black holes found at the centres of distant galaxies undergo huge growth spurts as a result of galactic collisions, according to a new study by astronomers at Yale University…
University of Arizona astronomers discover most primitive supermassive black holes known
— 19 Mar 2010 13:09 | AstronomyAstronomers have come across what appear to be two of the earliest and most primitive supermassive black holes known. The discovery, based largely on observations from NASA's Spitzer…
Astronomers observe fast growing primitive black holes
— 18 Mar 2010 13:11 | AstronomyQuasars are active and very powerful black holes at the centre of distant galaxies. The black holes are extremely massive weighing between 100 million and 10 billion solar masses and…