A study using ESO's Very Large Telescope has shown that most very bright high-mass stars do not live alone. Almost three quarters of them are found to have a close companion star, far more than previously thought. Surprisingly ...
Astronomy
Jul 26, 2012
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(Phys.org) -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has a temperature ...
Astronomy
May 10, 2012
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(PhysOrg.com) -- To find a binary star system, which is where two stars are in close proximity to one another, astronomers have traditionally relied on pure luck. They’d first start studying what would look like a single ...
Using data from NASA’s Kepler Mission, astronomers announced the discovery of two new transiting “circumbinary” planet systems -- planets that orbit two stars. This work establishes that such “two sun” ...
Astronomy
Jan 11, 2012
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(PhysOrg.com) -- An international team of astronomers has identified a candidate for the smallest-known black hole using data from NASA's Rossi X-ray Timing Explorer (RXTE). The evidence comes from a specific type of X-ray ...
Astronomy
Dec 15, 2011
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(PhysOrg.com) -- An otherwise nondescript binary star system in the Whirlpool Galaxy has brought astronomers tantalizingly close to their goal of observing a star just before it goes supernova.
Astronomy
Nov 30, 2011
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(PhysOrg.com) -- A sky with two suns is a favourite image for science fiction films, but how would a binary star system affect life evolving on an orbiting planet?
Astronomy
Apr 19, 2011
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Sometimes when you're looking for one thing, you find something completely different and unexpected. In the scientific endeavor, such serendipity can lead to new discoveries. Today, researchers who found the first hypervelocity ...
Astronomy
Nov 16, 2010
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(PhysOrg.com) -- Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago.
Astronomy
Sep 9, 2010
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(PhysOrg.com) -- An international team of astronomers, including Professor Tom Marsh and Dr Danny Steeghs from the University of Warwick, have shown that the two stars in the binary HM Cancri definitely revolve around each ...
Astronomy
Mar 8, 2010
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