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NASA's Hubble finds supernovae in 'wrong place at wrong time'
Scientists have been fascinated by a series of unusual exploding stars -- outcasts beyond the typical cozy confines of their galaxies. (2015-08-13)
Mystery of Quintuplet stars in Milky Way solved
For the first time, scientists have identified the cluster of Quintuplet stars in the Milky Way's galactic center as massive binary stars nearing the end of their life cycle, solving a mystery that had dogged astronomers for more than 15 years. (2006-08-17)
Fast radio bursts might come from nearby stars
First discovered in 2007, (2013-12-12)
The terrible twos: What might happen if our Sun had a twin
How would our Sun behave differently if it had a closely orbiting twin? (2001-11-26)
Heavy metal stars
Using a telescope at the ESO La Silla Observatory, a group of Belgian and French astronomers have discovered very high abundances of the heavy element Lead in three distant stars in the Milky Way Galaxy. (2001-08-22)
Heaviest stellar black hole discovered in nearby galaxy
Astronomers have located an exceptionally massive black hole in orbit around a huge companion star. (2007-10-17)
Most extreme white dwarf binary system found with orbit of just 5 minutes
An international team of astronomers, including Professor Tom Marsh and Dr. (2010-03-09)
Stars engage in vampirism to look young, hot
A small fraction of stars -- blue stragglers -- found in the globular cluster Messier 30 appear to regress from (2009-12-23)
Accretion-powered pulsar reveals unique timing glitch
The discovery of the largest timing irregularity yet observed in a pulsar is the first confirmation that pulsars in binary systems exhibit the strange phenomenon known as a 'glitch.' The study is published in the journal Monthly Notices of the Royal Astronomical Society. (2017-09-06)
Rogue supernovas likely flung into space by black hole slingshots
Rogue supernovas that explode all alone in deep space present an astronomical mystery. (2015-08-13)
First known binary star is discovered to be a triplet, quadruplet, quintuplet, sextuplet system
Alcor and Mizar, were the first binary stars -- a pair of stars that orbit each other -- ever known. (2009-12-09)
Stellar pinwheels at our Galaxy's core
Astronomers have finally learned the identity of a mysterious (2006-08-18)
RIT study suggests dying stars give newborn black holes a swift kick
Rochester Institute of Technology researcher Richard O'Shaughnessy and collaborators reanalyzed the merging black holes detected by LIGO (Laser Interferometer Gravitational Wave Observatory) on Dec. (2017-06-05)
Tatooine-like planet discovered
A planet with two suns may be a familiar sight to fans of the (2011-09-15)
New U. of Colorado astronomy study indicates planet formation may be rare in universe
The vast majority of wannabe planets in the universe are likely destroyed by cosmic forces long before they have a chance to evolve from dusty disks circling their parent stars, according to University of Colorado at Boulder researchers. (2001-06-03)
Pulverized planet dust might lie around double stars
Tight double-star systems might not be the best places for life to spring up, according to a new study using data from NASA's Spitzer Space Telescope. (2010-08-24)
Tatooine worlds orbiting 2 suns often survive violent escapades of aging stars
Planets that revolve around two suns may surprisingly survive the violent late stages of the stars' lives, according to new research out of the NASA Goddard Space Flight Center and York University. (2016-10-12)
2 dying stars reborn as 1
White dwarfs are dead stars that pack a Sun's-worth of matter into an Earth-sized ball. (2011-04-06)
Astrophysicists find wide binary stars wreak havoc in planetary systems
An international team of astrophysicists has shown that planetary systems with very distant binary stars are particularly susceptible to violent disruptions, more so than if they had stellar companions with tighter orbits around them. (2013-01-06)
Chaos in cosmos: Stars with three planet-forming discs of gas
A star with a ring of planets orbiting around it - that is the picture we know from our own solar system and from many of the thousands of exoplanets observed in recent years. (2016-10-11)
OU astrophysicist predicts detached, eclipsing white dwarfs to merge into exotic star
A University of Oklahoma astrophysicist, Mukremin Kilic, and his team have discovered two detached, eclipsing double white dwarf binaries with orbital periods of 40 and 46 minutes, respectively. (2017-08-18)
First direct measurement of the mass of ultra-cool brown dwarf binary
An international team of astronomers using the world's biggest telescopes have directly measured the mass of an ultra-cool brown dwarf star and its companion dwarf star for the first time. (2004-06-15)
Strong winds over the keel
The latest ESO image reveals amazing detail in the intricate structures of one of the largest and brightest nebulae in the sky, the Carina Nebula, where strong winds and powerful radiation from an armada of massive stars are creating havoc in the large cloud of dust and gas from which the stars were born. (2009-02-12)
NASA telescopes discover strobe-like flashes in a suspected binary protostar
Two of NASA's great observatories, the Spitzer and Hubble space telescopes, have teamed up to uncover a mysterious infant star that behaves like a strobe light. (2013-02-07)
Sun has binary partner, may affect the Earth
The ground-breaking and richly illustrated new book, Lost Star of Myth and Time, marries modern astronomical theory with ancient star lore to make a compelling case for the profound influence on our planet of a companion star to the sun. (2005-09-12)
Ancient stars shed light on the prehistory of the Milky Way
Some of the oldest stars in the Milky Way -- a kind of stellar fossils, contain abnormally large amounts of heavy elements like gold, platinum and uranium. (2011-11-15)
Alternative stellar lifestyle: Common, curious, solved at last
Half of all stars are in binaries -- pairs of stars that orbit each other. (2015-12-08)
Fledgling supernova remnant reveals neutron star's secrets
With the help of NASA's Chandra X-ray Observatory and the Australia Telescope Compact Array, an international team of astronomers has identified the glowing wreck of a star that exploded a mere 2,500 years ago -- the blink of an eye in astronomical terms. (2013-12-04)
Top high-energy astrophysics prize awarded for black hole measurements
The 2009 Rossi Prize has been awarded to three scientists for their work on the measurements of masses of black holes in the Milky Way. (2009-01-29)
Stellar vampires unmasked
Astronomers have found possible proofs of stellar vampirism in the globular cluster 47 Tucanae. (2006-10-02)
Astrophysicist Mercedes Richards is Woman Physicist of the Month for July 2013
Astrophysicist Mercedes Richards of Penn State is being honored by the American Physical Society as its Woman Physicist of the Month for July 2013. (2013-07-15)
New studies give strong boost to binary-star formation theory
Recent studies with the Karl G. Jansky Very Large Array add strong, new evidence to the theory that binary stars form when the disk of gas and dust orbiting one young star gravitationally fragments, forming a second young star. (2013-12-31)
Simulations foresee hordes of colliding black holes in LIGO's future
New calculations predict that the Laser Interferometer Gravitational wave Observatory (LIGO) will detect approximately 1,000 mergers of massive black holes annually once it achieves full sensitivity early next decade. (2016-06-23)
Explosion first evidence of a hydrogen-deficient supernova progenitor
A model presented by Kavli IPMU provides the first characterization of the progenitor for a hydrogen-deficient supernova. (2014-10-16)
Rare ultra-blue stars found in neighboring galaxy's hub
Peering deep inside the hub of the neighboring Andromeda galaxy, NASA's Hubble Space Telescope has uncovered a large, rare population of hot, bright stars. (2012-01-11)
Unique eclipsing binary star system discovered by UCSB astrophysicists
Astrophysicists at UC Santa Barbara are the first scientists to identify two white dwarf stars in an eclipsing binary system, allowing for the first direct radius measurement of a rare white dwarf composed of pure helium. (2010-05-18)
International team observe 'hungry twin' stars gobbling their first meals
Years of monitoring its infrared with the Spitzer instrument reveal that it becomes 10 times brighter every 25.34 days, Gutermuth and colleagues say. (2013-01-31)
Distance to nearest galaxy measured
A team of astronomers including Carnegie's Ian Thompson have managed to improve the measurement of the distance to our nearest neighbor galaxy and, in the process, refine an astronomical calculation that helps measure the expansion of the universe. (2013-03-06)
Big stars are more abundant than thought
Observations of a nearby star-forming region reveal that large stars are more prevalent than models have predicted. (2018-01-04)
Supernova blast provides clues to age of binary star system
Data from NASA's Chandra X-ray Observatory has revealed faint remnants of a supernova explosion and helped researchers determine Circinus X-1 -- an X-ray binary -- is the youngest of this class of astronomical objects found to date. (2013-12-04)
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