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<Breakthrough Study Confirms Cause of Short Gamma-Ray Bursts ⁄ >




clicks: 6928 6928 2011-04-09 2011-04-09 goto ciencia myNews ciencia  Bookmark This Bookmark This


A new supercomputer simulation shows the collision of two neutron stars can naturally produce the magnetic structures thought to power the high-speed particle jets associated with short gamma-ray bursts (GRBs). The study provides the most detailed glimpse of the forces driving some of the universe's most energetic explosions.

The state-of-the-art simulation ran for nearly seven weeks on the Damiana computer cluster at the Albert Einstein Institute (AEI) in Potsdam, Germany. It traces events that unfold over 35 milliseconds -- about three times faster than the blink of an eye.

GRBs are among the brightest events known, emitting as much energy in a few seconds as our entire galaxy does in a year. Most of this emission comes in the form of gamma rays, the highest-energy form of light.



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http://www.nasa.gov/topics/universe/features/gamma-ray-engines.html




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