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فائل:PIA13164 North Polar Cap Cross Section, Annotated Version.jpg

اصل فائل ‏(2,013 × 996 پکسل، فائل کا حجم: 1.72 MB، MIME قسم: image/jpeg)

یہ فائل ویکی ذخائر کی ہے اور دیگر منصوبوں کے زیر استعمال ہوسکتی ہے۔ فائل کے صفحہ تعارف پر موجود تعارف ذیل میں موجود ہے۔

خلاصہ

تفصیل
English: This image shows a cross-section of a portion of the north polar ice cap of Mars, derived from data acquired by the Mars Reconnaissance Orbiter's Shallow Radar (SHARAD), one of six instruments on the spacecraft.

The data depict the region's internal ice structure, with annotations describing different layers. The ice depicted in this graphic is approximately 2 kilometers (1.2 miles) thick and 250 kilometers (155 miles) across. White lines show reflection of the radar signal back to the spacecraft. Each line represents a place where a layer sits on top of another. Scientists study how thick the pancake-like layers are, where they bulge and how they tilt up or down to understand what the surface of the ice sheet was like in the past as each new layer was deposited.
تاریخ (published)
ماخذ Catalog page · Full-res (JPEG · TIFF)
مصنف NASA/JPL-Caltech/ASI/UT
دوسرے نسخے
  • Original post
    Original post
  • Annotated Version
    Annotated Version
  • Greek
    Greek
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA13164.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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This media is a product of the
Mars Reconnaissance Orbiter mission
Credit and attribution belongs to the Shallow Subsurface Radar (SHARAD) team, NASA/JPL-Caltech/ASI/UT

اجازہ کاری

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.)
Warnings:

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رائج الوقت21:57، 14 فروری 2014ءمورخہ 21:57، 14 فروری 2014ء کا تھمب نیل2,013 × 996 (1.72 MB)HuntsterFull resolution version.
14:12، 14 جون 2013ءمورخہ 14:12، 14 جون 2013ء کا تھمب نیل516 × 255 (56 کلوبائٹ)BatteryIncludedUser created page with UploadWizard

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