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Astrophysicists find triple star system with 'hot Jupiter'
Crisp, clear images of a 'hot Jupiter' system captured by a University of Notre Dame physicist were vital in determining that a newly found planet inhabits a three-star system, a phenomenon documented only a few times before. (2016-04-07)
The sky through 3 giant eyes
The ESO Very Large Telescope Interferometer, which allows astronomers to scrutinise objects with a precision equivalent to that of a 130-m telescope, is proving itself an unequalled success every day. (2007-02-21)
Astronomers perform largest-ever survey of high-mass binary star systems
An international group of astronomers led by researchers at the University of São Paulo's Institute of Astronomy, Geophysics & Atmospheric Sciences (IAG-USP) in Brazil, have just identified and characterized 82 new high-mass binaries located in the Tarantula Nebula, also known as 30 Doradus, in the Large Magellanic Cloud. (2017-04-19)
Newly merged black hole eagerly shreds stars
A galaxy's core is a busy place, crowded with stars swarming around an enormous black hole. (2011-04-08)
Hubble captures outstanding views of mammoth stars
Two of our galaxy's most massive stars have been scrutinized in an impressive view by the NASA/ESA Hubble Space Telescope. (2008-11-25)
Kepler discovers planetary system orbiting two suns
Astronomers have found the first transiting circumbinary multi-planet system: two planets orbiting around a pair of stars. (2012-08-28)
UCLA astronomers solve puzzle about bizarre object at the center of our galaxy
The mystery about a thin, bizarre object in the center of the Milky Way that some astronomers believe to be a hydrogen gas cloud headed toward our galaxy's enormous black hole has been solved by UCLA astronomers. (2014-11-03)
Hubble is paving scientific paths for NASA's James Webb Space Telescope
NASA's Hubble Space Telescope is helping identify potential celestial targets for the James Webb Space Telescope through a series of preparatory science observations to be completed before Webb is ready to make observations of its own. (2017-10-02)
Black holes: Scientists 'excited' by observations suggesting formation scenarios
Physicists have described how observations of gravitational waves limit the possible explanations for the formation of black holes outside of our galaxy; either they are spinning more slowly than black holes in our own galaxy or they spin rapidly but are 'tumbled around' with spins randomly oriented to their orbit. (2017-08-23)
Coordinated effort of space observatories detects new type of stellar flare
A group of astronomers using the Hubble Space Telescope and Chandra X-ray Observatory, in concert with other telescopes, have directly detected for the first time a new type of stellar flare occurring in a narrow temperature range of gas on a star other than the sun. (2000-06-04)
The cosmic burp of dying stars
The mysteries of the universe and how we came to be are set to be unlocked by a technique for modeling fluids, similar to one which is becoming increasingly popular within the film industry to improve the realism of special effects. (2010-05-27)
From Star Wars to science fact: Tatooine-like planet discovered
Although cold and gaseous rather than a desert world, the newfound planet Kepler-16b is still the closest astronomers have come to discovering Luke Skywalker's home world of Tatooine. (2011-09-15)
A blast from its past dates the youngest neutron-star binary
X-rays streaming toward Earth from the region near a neutron star that is cannibalizing its companion star have revealed the pair to be the youngest (2013-12-04)
Rogue stars ejected from the galaxy are found in intergalactic space
Astronomers have identified nearly 700 rogue stars that appear to have been ejected from the Milky Way galaxy. (2012-04-30)
Discovery of first binary-binary calls solar system formation into question
Everything we know about the formation of solar systems might be wrong, says University of Florida astronomy professor Jian Ge and his postdoc, Bo Ma. (2016-10-20)
OU astrophysicist and collaborators find supermassive black holes in quasar nearest Earth
A University of Oklahoma astrophysicist and his Chinese collaborator have found two supermassive black holes in Markarian 231, the nearest quasar to Earth, using observations from NASA's Hubble Space Telescope. (2015-08-27)
Space-warping white dwarfs produce gravitational waves
Gravitational waves, much like the recently discovered Higgs boson, are notoriously difficult to observe. (2012-08-28)
First difinitive mass measurement of a gravitational microlens
A rare event in 2000 gave a team of astronomers the chance to test a remarkable new technique. (2002-01-09)
Gaia satellite and amateur astronomers spot one in a billion star
The Gaia satellite has discovered a unique binary system where one star is 'eating' the other, but neither star has any hydrogen, the most common element in the Universe. (2015-07-16)
Asteroseismologists listen to the relics of the Milky Way
Astrophysicists from the University of Birmingham have captured the sounds of some of the oldest stars in our galaxy, the Milky Way, according to research published today in the Royal Astronomical Society journal Monthly Notices. (2016-06-06)
Third gravitational wave detection offers new insight into black holes
An international team of researchers has made a third detection of gravitational waves, ripples in space and time, in a discovery that provides new insights into the mysterious nature of black holes and, potentially, dark matter. (2017-06-01)
The first image of a new gaseous component in a planetary nebula
Stars end their lives, mainly, in two ways: as supernovae and planetary nebulae. (2016-07-07)
Analyzing sun-like stars that eat Earth-like planets
Vanderbilt astronomers have developed a model that estimates the effect that ingesting large amounts of the rocky material from which 'terrestrial' planets like Earth, Mars and Venus are made has on a star's chemical composition and has used the model to analyze a pair of twin stars which both have their own planets. (2014-05-19)
Chandra images torrent of star formation
A new Chandra X-ray Observatory image of Messier 82, or M82, shows the result of star formation on overdrive. (2011-01-13)
Planet formation around binary star
Using ALMA, astronomers have taken a new, detailed look at the very early stages of planet formation around a binary star. (2016-02-13)
White dwarf star exhibits an unusual atmosphere of oxygen
Researchers have discovered a white dwarf star with an atmosphere dominated by oxygen, a type of white dwarf that has been theorized to exist but not identified to date. (2016-03-31)
Laboratory astrophysicist discovers new source of high-energy neutrinos
A Lawrence Livermore National Laboratory astrophysicist, working with an international group of researchers, has discovered that high-energy neutrinos -- particles that rarely interact with other matter -- are produced in the accretion discs of neutron stars in amounts significant enough to be detected by the next-generation of neutrino telescopes. (2003-03-07)
Dazzling diamonds
Single stars are often overlooked in favor of their larger cosmic cousins -- but when they join forces, they create truly breathtaking scenes to rival even the most glowing of nebulae or swirling of galaxies. (2016-01-21)
A young star's age can be gleamed from nothing but sound waves
Determining the age of stars has long been a challenge for astronomers. (2014-07-03)
Second-generation stars identified, giving clues about their predecessors
Information gathered by University of Notre Dame researchers can be used to tell the story of how the first elements were formed, and determine the distribution of the masses of those first stars. (2016-12-06)
Scientists find 'pinwheels' in Quintuplet cluster
Discovery of pinwheel-shaped dust spirals around two of the mysterious cocoon stars in the Quintuplet cluster tells scientists for the first time that they contain a duo of stars instead of just one. (2006-08-17)
Hubble hones in on a hypergiant's home
This beautiful Hubble image reveals a young super star cluster known as Westerlund 1, only 15,000 light-years away in our Milky Way neighborhood, yet home to one of the largest stars ever discovered. (2017-03-10)
Much faster than a speeding bullet, planets and stars escape the Milky Way
Dartmouth research explains the phenomenon of runaway planets and stars which are ejected from the Milky Way by the supermassive black hole at the galaxy's center. (2012-03-29)
Star eats companion
ESA's Integral space observatory, together with NASA's Rossi X-ray Timing Explorer spacecraft, has found a fast-spinning pulsar in the process of devouring its companion. (2005-09-06)
First X-ray detection of a colliding-wind binary beyond the Milky Way
Imagine two stars with winds so powerful that they eject an Earth's worth of material roughly once every month. (2007-02-16)
Neutron stars can be more massive, while black holes are more rare, Arecibo Observatory finds
Neutron stars can be considerably more massive than previously believed, and it is more difficult to form black holes, according to new research developed by using the Arecibo Observatory in Arecibo, Puerto Rico. (2008-01-14)
RIT professor predicts a universe crowded with black holes
An RIT professor and his colleagues published a new study in Nature that presents one of the most complete models of matter in the universe and predicts hundreds of massive black hole mergers each year observable with the second generation of gravitational wave detectors. (2016-06-22)
Astrophysicists release new study of one of the first stars
Timothy Beers, the Notre Dame Chair in Astrophysics, is part of a team that has used the Cosmic Origins Spectrograph on the Hubble Space Telescope to study key regions of the ultraviolet spectrum of a star thought to have been enriched by elements from one of the first generation of stars. (2016-06-17)
Astronomers predict fireworks from rare stellar encounter in 2018
Astronomers are gearing up for high-energy fireworks coming in early 2018, when a stellar remnant the size of a city meets one of the brightest stars in our galaxy. (2015-07-02)
Infant solar system shows signs of windy weather
Astronomers using the Atacama Large Millimeter/submillimeter Array have observed what may be the first-ever signs of windy weather around a T Tauri star, an infant analog of our own Sun. (2014-09-22)
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