News articles tagged with 'accretion'
Zooming in on an infant solar system
— 12 Jun 2010 11:18 | AstronomyA team led by University of Arizona astronomer Joshua Eisner has observed in unprecedented detail the processes giving rise to stars and planets in nascent solar systems. The discoveries,…
Suzaku catches retreat of a black hole's disk
— 12 Dec 2009 12:53 | AstronomyStudies of one of the galaxy's most active black-hole binaries reveal a dramatic change that will help scientists better understand how these systems expel fast-moving particle jets…
'Missing link': Revealing fast-spinning pulsar mysteries
— 22 May 2009 13:34 | AstronomyAstronomers have discovered a unique double-star system that represents a 'missing link' stage in what they believe is the birth process of the most rapidly-spinning stars in the Universe…
Erratic black hole regulates itself
— 25 Mar 2009 18:00 | AstronomyNew 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…
Binary black hole system identified
— 4 Mar 2009 18:00 | AstronomyAstronomers from the National Optical Astronomy Observatory in Tucson have found what looks like two massive black holes orbiting each other in the centre of one galaxy. It has been…
XMM-Newton surprised by a rare type of galaxy
— 8 Apr 2008 10:44 | AstronomyXMM-Newton has been surprised by a rare type of galaxy, from which it has detected a higher number of X-rays than thought possible. The observation gives new insight into the powerful…
Images of small moons of Saturn tell the story of their origins
— 7 Dec 2007 00:47 | AstronomyImaging scientists on NASA's Cassini mission are telling a tale of how the small moons orbiting near the outer rings of Saturn came to be. The moons began as leftover shards from larger…
RIT study confirms supermassive black holes produce powerful galaxy-shaping winds
— 31 Oct 2007 22:50 | AstronomySupermassive black holes can produce powerful winds that shape a galaxy and determine their own growth, confirms a group of scientists from Rochester Institute of Technology. The RIT…
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