File:Defrosted Margin of the North Polar Erg.jpg

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English: Defrosted Margin of the North Polar Erg of Planum Boreum, or North Pole of Mars, observed by HiRISE on Mars Reconnaissance Orbiter. The erg is a "sea of sand" that surrounds the north polar car. Polygonal dunes imply wind blowing from different directions over time.
Ελληνικά: Παρυφές λιωμένου πάγου στο Βόρειο Πολικό Εργκ. Το Εργκ είναι μια "θάλασσα" από σκόνη που περιβάλλει το κάλυμμα πάγου στο Βόρειο Πόλο του Άρη. Οι θίνες σε σχήμα πολύγωνου δείχνουν ότι ο άνεμος δεν έχει σταθερή κατεύθυνση. Εικόνα από το τηλεσκόπιο HiRISE της διαστημοσυσκευής Mars Reconnaissance Orbiter της NASA. Αναλυτική περιγραφή της εικόνας στα Ελληνικά στη σελίδα του HiRISE
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Source HiRISE webpage with full description and analysis, file
Author NASA/JPL/University of Arizona
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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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Location on Mars79° 00′ 00″ N, 147° 54′ 00″ W View this and other nearby images on: Google Mapsinfo

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current17:13, 18 September 2011Thumbnail for version as of 17:13, 18 September 20112,560 × 1,920 (3.62 MB)Badseed (talk | contribs){{Information |Description={{en|Defrosted Margin of the North Polar Erg of Planum Boreum, or North Pole of Mars, observed by HiRISE on Mars Reconnaissance Orbiter. The erg is a "sea of sand" that surrounds the north polar car. Polygonal dunes imply wind b

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