File:GRBs detected by Swift, 2004-2015.jpg

Summary

DescriptionGRBs detected by Swift, 2004-2015.jpg	This illustration shows the positions of 1,000 Swift GRBs on an all-sky map oriented so that the plane of our galaxy, the Milky Way, runs across the center. Bursts are color coded by year, and the location of GRB 151027B is shown at lower right. An annual tally of the number of bursts Swift has detected appears below the label for each year. Background: An infrared view from the Two Micron All-Sky Survey.
Date	November 2015
Source	http://www.nasa.gov/feature/goddard/nasas-swift-spots-its-thousandth-gamma-ray-burst (image link)
Author	NASA/Goddard Space Flight Center, and 2MASS/J. Carpenter, T. H. Jarrett, and R. Hurt

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	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

This work has been released into the public domain by its copyright holder, Two Micron All Sky Survey (2MASS). This applies worldwide.
In some countries this may not be legally possible; if so:
Two Micron All Sky Survey (2MASS) grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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This image is from the Two Micron All Sky Survey (2MASS) project.

At http://www.ipac.caltech.edu/2mass/gallery/aboutimages.html it says:

"The images and image mosaics in the various Galleries are released into the public domain."

2MASS kindly requests acknowledgement in one of the following forms, the longer of which is preferred.

Atlas Image [or Atlas Image mosaic] obtained as part of the Two Micron All Sky Survey (2MASS), a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation.
Atlas Image [or Atlas Image mosaic] courtesy of 2MASS/UMass/IPAC-Caltech/NASA/NSF.

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