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News for Norther Colorado and the world

Wednesday, October 1, 2014

Posts Tagged ‘gamma-ray burst’

Astronomy Picture of the Day

Astronomy Picture of the Day

Two distant galaxies which formed about 2 billion years after the big bang are caught in the afterglow of GRB090323, a gamma-ray burst seen across the Universe. Shining through its own host galaxy and another nearby galaxy, the alignment of gamma-ray burst and galaxies was inferred from the afterglow spectrum following the burst's initial detection by the Fermi Gamma Ray Space TelescopeCaught in the Afterglow Illustration Credit: ESO, L. Calçada - Research Team: Sandra Savaglio (MPE) et ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

The GRB 110328A Symphony Credit: NASA, ESA, and A. Fruchter (STScI) Explanation: A symphony of planet-wide observations began abruptly on March 28 when the Earth-orbiting Swift satellite detected a burst of high-frequency gamma-rays from GRB 110328A. When the same source flared again after a45 minute pause it was clear this event was not a typical gamma-ray burst. Twelve hours after the initial fanfare astronomers using the 2.5-meter Nordic Optical Telescope chimed in with a ... Full Story

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