Fil:Black hole (NASA).jpg

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Beskrivelse

BeskrivelseBlack hole (NASA).jpg	English: Einstein's general theory of relativity is a well-tested theory of gravitation with wide applications. This image shows an artist's conception of a spinning black hole - just one of the predictions of general relativity Español: Visión de un artista de un agujero negro con disco de acreción.
Dato	22. oktober 2001
Kilde	https://imagine.gsfc.nasa.gov/science/questions/relativity.html
Opphavsperson	NASA/D. Berry

	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."

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	Dato/klokkeslett	Miniatyrbilde	Dimensjoner	Bruker	Kommentar
nåværende	30. jun. 2011 kl. 02:38		3 000 × 2 400 (950 KB)	wikimediacommons>Keraunoscopia	Larger version; not sure how technically correct it is

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