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Soubor:Gaspra Deimos and Phobos.jpg

Z Multimediaexpo.cz

Fotografie + Description:

  • English: (1977) This montage shows asteroid 951 Gaspra (top) compared with Deimos (lower left) and Phobos (lower right), the moons of Mars. The three bodies are shown at the same scale and nearly the same lighting conditions.
  • Gaspra is about 17 kilometers (10 miles) long. All three bodies have irregular shapes due to past catastrophic conditions. However, their surfaces appear remarkably different, possibly because of differences in composition but most likely because of very different impact histories.
  • The Phobos and Deimos images were obtained by the Viking Orbiter spacecraft in 1977; the Gaspra image is the best of a series obtained by the Galileo spacecraft on October 29, 1991.
  • Date: 29 October 1991
  • Source: Flickr.com
  • Author: NASA
+ pochází z Wikimedia Commons, kde má status – 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".
(Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221)

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Datum a časNáhledRozměryUživatelKomentář
současná22. 7. 2022, 08:17Náhled verze z 22. 7. 2022, 08:171 017×777 (55 kB)Sysop (diskuse | příspěvky) (Fotografie + )

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