WASHINGTON, Jan. 10, 2012 /PRNewswire-USNewswire/ -- Using observations from NASA's Rossi X-ray Timing Explorer (RXTE) satellite and the National Science Foundation's (NSF) Very Long Baseline Array (VLBA) radio telescope, an international team of astronomers has identified the moment when a black hole in our galaxy launched superfast knots of gas into space. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO )
...The flowing gas forms a flattened accretion disk millions of miles across, several times wider...
... to these conditions can result in ice accretions aft of the ice protection area, which can negative...If you send the information on a disk or. CD ROM, mark the outside of the disk or CD ROM...
GREENBELT, Md., Aug. 17 /PRNewswire-USNewswire/ -- Astronomers using NASA's Rossi X-ray Timing Explorer (RXTE) have found the first fast X-ray pulsar to be eclipsed by its companion star. Further studies of this unique stellar system will shed light on some of the most compressed matter in the universe and test a key prediction of Einstein's relativity theory. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO)
...This gas gathers into a disk around the neutron star. "Like many accreting bina... outbursts when instabilities in the accretion disk allow some of the gas to crash onto the neutr...
The longer astronomers watch an incredibly bright starlike object 2.5 billion light-years from Earth, the more mysterious it becomes. The unmelodious 3C273 is the original quasar, or quasi-stellar object, and was first identified in 1963. Astrophysicists knew there was something strange about 3C273 because it quickly fluctuated between normal illumination and blasting out more light than entire galaxies.
...The cosmic debris forms a spinning disk within a strong magnetic field. Friction from the magnetic field heats the disk. The accretion disk becomes so hot that it glows X-rays. About 5 ...
Around midnight some balmy summer night, when the moon isn't out and the stars are brilliant, look toward the south. Pay special attention to Sagittarius, where the Milky Way reaches the horizon, a constellation with the familiar asterism nicknamed the Teapot. You will be staring in the direction of what Stacy Palen calls "the monster in the middle of our galaxy.
... a black hole may rotate around it in an accretion disk before falling in. Some black holes have jets...
IN A FAR AWAY GALAXY, a strangely massive black hole identified by a team of astronomers is in an oddly close orbit to a conventional star. This is a puzzle. Stars and black holes aren't supposed to behave this way.
... black hole, enormous friction in the accretion disk generates a tremendous amount of heat. M33 X-...
...(305). (83). (670). (239). (1,200). Accretion expense. (240). (216). (715). (695). (2,882). Oper..., including fiber optics, lasers and hard disk drives; numerous defense applications, such as gui...
To: STATE EDITORS Contact: Francis Reddy, +1-301-286-4453, francis.j.reddy@nasa.gov, or Lynn Chandler, +1-301-286-2806, lynn.chandler-1@nasa.gov, both of NASA's Goddard Space Flight Center; or Lynn Cominsky of Sonoma State University, Rohnert Park, Calif., +1-707-664-2655, lynnc@universe.sonoma.edu
... the pile-up of hot gas deep within the accretion disk that forms around a massive object. The rate ...
... gigantic, ancient whack, and the re-accretion of debris subsequently hurled into Earth-orbit, wo... than one moon forming in the massive debris disk. In our study, we propose that there was only one ...
By Abram Katz Register Science Editor Although black holes seem capable of swallowing an endless supply of gas, dust and stars, research led by a Yale astrophysicist suggests that the gravitational monsters get full.
... within a certain distance, naturally forms a disk, known as an accretion disk. Matter is squeezed an...
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