The many galaxy 'flavors'

(PhysOrg.com) -- This collage of galaxies from NASA's Wide-Field Infrared Survey Explorer, or WISE, showcases the many "flavors" that galaxies come in, from star-studded spirals to bulging ellipticals to those paired with ...

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 clusters.

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.

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 in the constellation ...

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 Sloan Digital ...

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 ...

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