(Phys.org) -- Astronomers have witnessed for the first time a spiral galaxy in the early universe, billions of years before many other spiral galaxies formed. In findings reported July 19 in the journal Nature, the as ...
Jul 18, 2012
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(PhysOrg.com) -- Members of the international STAR collaboration at the Relativistic Heavy Ion Collider -- a particle accelerator used to recreate and study conditions of the early universe at the U.S. Department ...
Apr 24, 2011
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(PhysOrg.com) -- The globular star cluster Omega Centauri has caught the attention of sky watchers ever since the ancient astronomer Ptolemy first catalogued it 2,000 years ago. Ptolemy, however, thought Omega ...
Oct 26, 2010
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(Phys.org) -- In a study that pushed quantum mechanical theory and research capabilities to the limit, University of Arizona researchers have found a way to see the molecule that likely made the universe - ...
Apr 12, 2012
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Some of the brightest galaxies in the universe – infant galaxies that churned out tens of thousands of stars each year at the dawn of the universe – evolved much sooner and in greater numbers than previously ...
Mar 13, 2013
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The first stars in the universe were not as solitary as previously thought. In fact, they could have formed alongside numerous companions when the gas disks that surrounded them broke up during formation, ...
Feb 04, 2011
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(PhysOrg.com) -- For the first time, two astronomers have explained the diversity of galaxy shapes seen in the universe. The scientists, Dr Andrew Benson of the California Institute of Technology (Caltech) ...
Jan 12, 2010
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New research reveals that, like their giant cousins, rocky planets are more likely to be found orbiting high metallicity stars. Furthermore, these planets are more plentiful around low mass stars. This could ...
Sep 30, 2011
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(Phys.org) —It's a bit like learning the secrets of the family that lived in your house in the 1800s by examining dust particles they left behind in cracks in the floorboards.
Apr 19, 2013
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They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most ...
Jun 08, 2011
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Scientists at the University of Arizona and in California have completed the most challenging large astronomical mirror ever made.
Oct 23, 2012
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A group of European astronomers has discovered an ancient planetary system that is likely to be a survivor from one of the earliest cosmic eras, 13 billion years ago. The system consists of the star HIP 11952 ...
Mar 27, 2012
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(Phys.org) -- The universe is a marvelously complex place, filled with galaxies and larger-scale structures that have evolved over its 13.7-billion-year history. Those began as small perturbations of matter ...
May 22, 2012
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(Phys.org)—New data from the South Pole Telescope indicates that the birth of the first massive galaxies that lit up the early universe was an explosive event, happening faster and ending sooner than suspected.
Sep 04, 2012
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(PhysOrg.com) -- Elliptical galaxies were once thought to be aging star cities whose star-making heyday was billions of years ago.
Nov 18, 2010
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