(Phys.org) —Today, astronomers with the Sloan Digital Sky Survey III, or SDSS-III – including University of Virginia astronomers – released a new online public data set featuring 60,000 stars that are helping to tell ...
Astronomy
Aug 1, 2013
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Astronomers have observed a binary star that potentially weighed 300 to 400 solar masses at birth. The present day total mass of the two stars is between 200 and 300 times that of the Sun, depending on its evolutionary stage, ...
Astronomy
Apr 17, 2013
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(Phys.org) —NASA funded observations on the W. M. Keck Observatory with analysis led by the University of Leicester, England tracked the "rain" of charged water particles into the atmosphere of Saturn and found the extent ...
Space Exploration
Apr 10, 2013
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(Phys.org)—On 6 June 2012 Venus passed directly between the Earth and the Sun, in a so-called transit where the planet appears as a silhouette against the solar disk, something that will not happen again until 5 December ...
Astronomy
Jan 7, 2013
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(Phys.org)—In December, a NASA mission to study the sun will make its third launch into space for a six-minute flight to gather information about the way material roils through the sun's atmosphere, sometimes causing eruptions ...
Space Exploration
Dec 11, 2012
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During its nuclear fusion processes, a burning star does not make the element lithium. Rather, over time, stars consume their lithium supply that was originally created during the Big Bang that gave birth to our universe.
Astronomy
Oct 25, 2012
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(Phys.org) -- In the never ending quest to find out if there is life out there beyond our own planet, astronomers, astrophysicists and other researchers use all manner of tools to scan the sky looking for likely places; the ...
Astronomers using ESO's world-leading exoplanet hunter HARPS have today announced a rich haul of more than 50 new exoplanets, including 16 super-Earths, one of which orbits at the edge of the habitable zone of its star. By ...
Astronomy
Sep 12, 2011
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(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international team of astronomers.
Astronomy
Dec 21, 2009
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(PhysOrg.com) -- An extensive study made with ESO's Very Large Telescope deepens a long-standing mystery in the study of stars similar to the Sun. Unusual year-long variations in the brightness of about one third of all Sun-like ...
Astronomy
Dec 7, 2009
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