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BATSE_2704.jpg (691 × 507 pixels, file size: 323 KB, MIME type: image/jpeg)

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BATSE All-Sky Plot of Gamma-Ray Burst Locations. Original caption:

The above figure illustrates the locations of 2512 gamma-ray bursts detected by the BATSE instrument after more than eight years of observation. Statistical tests confirm that the bursts are isotropically distributed on the sky - no significant quadrupole moment or dipole moment is found. At the same time, a deficiency has been detected in the number of faint bursts, interpreted as an indication that the spatial extent of the burst distribution is limited and that BATSE sees the limit or edge of the distribution. The nature of the sources remains unknown. However, their isotropic distribution on the sky along with the deficiency of faint bursts can be naturally explained if the bursts are located at cosmological distances (far beyond the Milky Way). This interpretation has been confirmed in recent years via distance estimates for optical counterparts to gamma-ray bursts.
Source http://cossc.gsfc.nasa.gov/docs/cgro/cgro/batse_src.html
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Date/TimeThumbnailDimensionsUserComment
current22:56, 10 March 2014Thumbnail for version as of 22:56, 10 March 2014691 × 507 (323 KB)Plineavec l'échelle
06:05, 4 April 2007Thumbnail for version as of 06:05, 4 April 2007691 × 401 (300 KB)Tevatron~commonswiki{{Information |Description= BATSE All-Sky Plot of Gamma-Ray Burst Locations |Source= http://cossc.gsfc.nasa.gov/docs/cgro/cgro/batse_src.html |Date= |Author= |Permission= {{PD-NASA}} |other_versions= }}

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