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File:Martian north polar cap.jpg

Original file ‎(1,368 × 1,319 pixels, file size: 1 MB, MIME type: image/jpeg)

Summary

Description
English: The Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) acquired this image of the Martian north polar cap in early northern summer. The picture was acquired on March 13, 1999, near the start of the Mapping Phase of the MGS mission. The light-toned surfaces are residual water ice that remains through the summer season. The nearly circular band of dark material surrounding the cap consists mainly of sand dunes formed and shaped by wind. The north polar cap is roughly 1100 kilometers (680 miles) across.
Ελληνικά: Ο Βόρειος Πόλος του πλανήτη Άρη, φωτογραφημένος από τη διαστημοσυσκευή Mars Global Surveyor το 1999. Όταν λήφθηκε η φωτογραφία στο βόρειο ημισφαίριο του πλανήτη ήταν καλοκαίρι, και έτσι ο πάγος που παρατηρείται είναι πάγος νερού, που βρίσκεται κάτω από ένα στρώμα πάγου διοξείδιου του άνθρακα, που το καλοκαίρι εξατμίζεται. Η σκοτεινή περιοχή γύρω από τον πάγο είναι μια "θάλασσα" από άμμο που περιβάλλει τον Βόρειο Πόλο.
Deutsch: Foto der Raumsonde Mars Global Surveyor der NASA vom Marssüdpol
Date The picture was acquired on March 13, 1999
Source

http://www.msss.com/mars_images/moc/may_2000/n_pole/ file

Author NASA/JPL/Malin Space Science Systems
Permission
(Reusing this file)
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: PIA02800.

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Date/TimeThumbnailDimensionsUserComment
current13:30, 18 September 2011Thumbnail for version as of 13:30, 18 September 20111,368 × 1,319 (1 MB)Badseeduploading full resolution
21:53, 3 August 2008Thumbnail for version as of 21:53, 3 August 2008419 × 404 (134 KB)BatteryIncluded{{Information |Description=The Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) acquired this image of the Martian north polar cap in early northern summer of. The picture was acquired on March 13, 1999, near the start of the Mapping Phase of the MGS

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