News tagged with sky survey
Cluster collisions switch on radio halos
(PhysOrg.com) -- This is a composite image of the northern part of the galaxy cluster Abell 1758, located about 3.2 billion light years from Earth, showing the effects of a collision between two smaller galaxy ...
Aug 30, 2010 |
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Terapixel Project: Lots of Data, Expertise
How can you achieve the impossible? Easy -- as long as you have the right people and the right tools. The Terapixel project from Microsoft Research Redmond is proof positive.
Technology / Computer Sciences
Jul 19, 2010 |
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RASICAM: The Little Infrared Camera that Could
(PhysOrg.com) -- Perched on a peak high in the Chilean Andes, 2200 meters above sea level, the Cerro Tololo Inter-American Observatory has an enviable view of the night sky. In 2011, the Dark Energy Survey ...
Mar 11, 2010 |
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Suspected Asteroid Collision Leaves Odd X-Pattern of Trailing Debris
(PhysOrg.com) -- NASA's Hubble Space Telescope has imaged a mysterious X-shaped debris pattern and trailing streamers of dust that suggest a head-on collision between two asteroids. Astronomers have long thought ...
Feb 02, 2010 |
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How Galaxies Came To Be: Astronomers Explain Hubble Sequence
(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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Opening up a colorful cosmic jewel box
(PhysOrg.com) -- Star clusters are among the most visually alluring and astrophysically fascinating objects in the sky. One of the most spectacular nestles deep in the southern skies near the Southern Cross ...
Oct 29, 2009 |
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First light for BOSS -- a new kind of search for dark energy
BOSS, the Baryon Oscillation Spectroscopic Survey, is the most ambitious attempt yet to map the expansion history of the Universe using the technique known as baryon acoustic oscillation (BAO). A part of the ...
Oct 01, 2009 |
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Colors of Quasars Reveal a Dusty Universe
(PhysOrg.com) -- The vast expanses of intergalactic space appear to be filled with a haze of tiny, smoke-like "dust" particles that dim the light from distant objects and subtly change their colors, according to a team of ...
Feb 26, 2009 |
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