News tagged with accretion disk

WISE mission captures black hole's wildly flaring jet

(PhysOrg.com) -- Astronomers using NASA's Wide-field Infrared Survey Explorer (WISE) have captured rare data of a flaring black hole, revealing new details about these powerful objects and their blazing jets. ...

Space & Earth / Astronomy

created Sep 21, 2011 | popularity 4.8 / 5 (11) | comments 18 | with audio podcast

Astrophysicists use X-ray fingerprints to study eating habits of giant black holes

By studying the X-rays emitted when superheated gases plunge into distant and massive black holes, astrophysicists at the Georgia Institute of Technology have provided an important test of a long-standing ...

Space & Earth / Astronomy

created Jun 06, 2011 | popularity 4.9 / 5 (8) | comments 10 | with audio podcast

Black holes spinning faster than ever before

(PhysOrg.com) -- Two UK astronomers have found that the giant black holes in the centre of galaxies are on average spinning faster than at any time in the history of the Universe. Dr Alejo Martinez-Sansigre ...

Space & Earth / Astronomy

created May 23, 2011 | popularity 4.3 / 5 (15) | comments 15 | with audio podcast

Black hole spin may create jets that control galaxy

(PhysOrg.com) -- Scattered throughout every galaxy are black holes, regions that gobble up matter and energy. Although we can't see black holes, scientists can infer their size, location and other properties ...

Space & Earth / Astronomy

created Feb 11, 2010 | popularity 4.6 / 5 (21) | comments 16 | with audio podcast

Erratic black holes regulate their growth (w/Videos)

(PhysOrg.com) -- New results from NASA's Chandra X-ray Observatory have made a major advance in explaining how a special class of black holes may shut off the high-speed jets they produce. These results suggest ...

Space & Earth / Astronomy

created Mar 25, 2009 | popularity 4.7 / 5 (10) | comments 5

VLBA locates superenergetic bursts near giant black hole

(PhysOrg.com) -- Using a worldwide combination of diverse telescopes, astronomers have discovered that a giant galaxy's bursts of very high energy gamma rays are coming from a region very close to the supermassive ...

Space & Earth / Astronomy

created Jul 02, 2009 | popularity 4.9 / 5 (8) | comments 3

Cygnus X-1: Blue supergiant pairs with black hole

Discovered in 1964 during a rocket flight, Cygnus X-1 holds the record for being the strongest X-ray source seen from Earth. The blue supergiant star designated as HDE 226868 is just part of this high-mass ...

Space & Earth / Astronomy

created Jun 23, 2011 | popularity 4.8 / 5 (5) | comments 2

Going With the Flow: Using Star Power to Better Understand Fusion

(PhysOrg.com) -- UC San Diego researchers are using “star” power to help ignite the field of fusion, which is being looked at as a future reliable green energy source. Under a new $5.8 million five-year grant ...

Physics / Plasma Physics

created Sep 11, 2009 | popularity 3.8 / 5 (4) | comments 5