File:Proteus Voyager 2 cropped.jpg

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English: Proteus is the second largest moon of Neptune behind the mysterious Triton. Proteus was discovered only in 1989 by the Voyager 2 spacecraft. This is unusual since Neptune has a smaller moon - Nereid - which was discovered 33 years earlier from Earth. The reason Proteus was not discovered sooner is that its surface is very dark and it orbits much closer to Neptune. Proteus has an odd box-like shape and were it even slightly more massive, its own gravity would cause it to reform itself into a sphere.
Deutsch: Proteus ist hinter dem geheimnisvollen Triton der zweitgrößte Mond des Neptuns. Proteus wurde erst 1989 durch das Voyager 2 Raumschiff entdeckt. Das ist ungewöhnlich, da Neptun einen kleineren Mond - Nereid - hat, der schon 33 Jahre früher von der Erde aus entdeckt wurde. Der Grund für Proteus' späte Entdeckung war seine sehr dunkle Oberfläche. Auch seine Umlaufbahn ist viel näher bei Neptun als die von Nereid. Proteus hat eine ungewöhnliche kastenartige Form und wäre er nur wenig masserreicher, würde ihn seine eigene Schwerkraft in eine Kugel umformen.
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Source 1989N1 Surface Detail (PIA00062)
Author Voyager 2, NASA
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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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This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA00062.

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Date/TimeThumbnailDimensionsUserComment
current07:42, 18 November 2015Thumbnail for version as of 07:42, 18 November 2015602 × 648 (174 KB)PlanetUser (talk | contribs)Cropped 28 % horizontally and 7 % vertically using CropTool with precise mode.
19:00, 18 April 2012Thumbnail for version as of 19:00, 18 April 2012836 × 695 (164 KB)AxelHH (talk | contribs)schärfer, wieder quadratisch
18:56, 18 April 2012Thumbnail for version as of 18:56, 18 April 20121,079 × 740 (192 KB)AxelHH (talk | contribs){{Information |Description ={{de|1=asdasd}} |Source ={{own}} |Author =AxelHH |Date = |Permission = |other_versions = }}

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