News tagged with binary stars
Ultra-cool companion helps reveal giant planets
(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 ...
May 10, 2012 |
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Cairo Calendar shows Egyptians discovered binary Algol first
(Phys.org) -- Algol, aka the Demon Star, is actually a binary star in the Perseus constellation, and has been the subject of speculation for hundreds of years. Now a group of Finnish researchers propose that ...
May 02, 2012 |
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Binary star system found by following gamma-ray signal
(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 ...
Jan 13, 2012 |
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New class of planetary systems: Astronomers find two new planets orbiting double suns
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 ...
Jan 11, 2012 |
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In a star's final days, astronomers hunt 'signal of impending doom'
(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.
Nov 30, 2011 |
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Could black trees blossom in a world with two suns?
(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?
Apr 19, 2011 |
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Astronomers discover merging star systems that might explode (w/ Video)
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 ...
Nov 16, 2010 |
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Supernova shrapnel found in meteorite
(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.
Sep 09, 2010 |
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Two Peas in an Irregular Pod
(PhysOrg.com) -- Our sun may be an only child, but most of the stars in the galaxy are actually twins. The sibling stars circle around each other at varying distances, bound by the hands of gravity.
May 20, 2010 |
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Most extreme white dwarf binary system found with orbit of just 5 minutes
(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 ...
Mar 08, 2010 |
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Rapid supernova could be new class of exploding star
(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf ...
Nov 05, 2009 |
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Oddball stars explained
(PhysOrg.com) -- New observations solve longstanding mystery of tipped rotation. In addition to shedding light on how binary stars form, the explanation knocks down a possible challenge to Einstein's theory ...
Sep 17, 2009 |
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Geriatric pulsar still kicking
(PhysOrg.com) -- The oldest isolated pulsar ever detected in X-rays has been found with NASA's Chandra X-ray Observatory. This very old and exotic object turns out to be surprisingly active.
Feb 26, 2009 |
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Even stars get fat -- And 'stellar cannibalism' is the reason
Researchers have discovered evidence that blue stragglers in globular clusters, whose existence has long puzzled astronomers, are the result of 'stellar cannibalism' in binary stars. In other words, binary ...
Jan 14, 2009 |
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Capturing planets
(Phys.org) -- The discovery of planets around other stars has led to the realization that alien solar systems often have bizarre features - at least they seem bizarre to us because they were so unexpected. ...
May 22, 2012 |
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