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Cmdr JFarrington

Real Science

GAMMA-RAY BIRTH CRIES SUGGEST MASSIVE MAGNETIC ENGINES

Several times a week, astronomers detect the violent death cry of a massive star -- an extraordinarily energetic release of gamma rays that takes place in just a matter of seconds to minutes, called a gamma-ray burst (GRB). The GRB's ejecta, which is thought to be beamed in narrow jets, slams into interstellar gas at near light speed. This violent collision shocks the material and produces a bright afterglow that can radiate brightly at X-ray and other wavelengths for several days or even a few weeks. But a GRB observed by NASA's Swift satellite on July 29 generated an X-ray afterglow that remained detectable to the spacecraft's X-ray Telescope (XRT) for an astonishing 125 days.

Read the full story at

http://live.psu.edu/story/22825

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And now a new addition to real science....this is the very first photos sent by Casinni from Saturn..though it has been photographing the planetary body since 2004,this is the very first view from above the rings(polar orbit),and the very first of the kind in space exploration,and photography since the inception of NASA... :rolleyes:

 

the link is knowledge news...check it out ^_^

Edited by eagle

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So are we gona post new sciance topices or are we gona talk about them?

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