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Datoteka:Moon egret.jpg

Moon_egret.jpg ‎(360 × 362 piksela, veličina datoteke: 11 KB, MIME tip: image/jpeg)

Sažetak

Opis
English: The Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory has detected gamma rays from the Moon as it passed through the instrument field of view several times between 1991 and 1994. The average flux, and the energy spectrum of the lunar gamma radiation are consistent with a model of gamma ray production by cosmic ray interactions with the lunar surface, and the flux varies as expected with the solar cycle. Although the same processes may occur on the Sun, EGRET does not detect the quiet Sun. Thus, in high-energy gamma rays, the Moon is brighter than the quiet Sun.
Datum
Izvor ur=http://heasarc.gsfc.nasa.gov/docs/cgro/epo/news/gammoon.html.
Autor D. J. Thompson, D. L. Bertsch (NASA/GSFC), D. J. Morris (UNH), R. Mukherjee (NASA/GSFC/USRA)

Licenciranje

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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Originalni zapisnik postavljanja

The original description page was here. All following user names refer to en.wikipedia.
  • 2005-04-30 09:30 Deglr6328 360×362× (11603 bytes) Image of the Moon as seen in [[Gamma rays]] by the EGRET instrument aboard the [[Compton gamma ray observatory]]. Produced by the collision of cosmic rays with the lunar surface the Moon is actually brighter than the quiet Sun in gamma rays. (the Sun was

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trenutno22:57, 9 juni 2012Smanjeni pregled verzije na dan 22:57, 9 juni 2012360 × 362 (11 KB)Marshallsumter

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