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File:Mars violet sky.jpg

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Mars_violet_sky.jpg (248 × 240 pixels, file size: 3 KB, MIME type: image/jpeg)

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Description

Courtesy: NASA/JPL

The usually pinkish-red color of Mars's sky turns a violet color on occasion, due to the presence of water ice clouds with very small ice particles.

Image from en:Mars Pathfinder

These clouds from Sol 15 have a new look. As water ice clouds cover the sky, the sky takes on a more bluish cast. This is because small particles (perhaps a tenth the size of the martian dust, or one-thousandth the thickness of a human hair) are bright in blue light, but almost invisible in red light. Thus, scientists expect that the ice particles in the clouds are very small. The clouds were imaged by the Imager for Mars Pathfinder (IMP).

Mars Pathfinder is the second in NASA's Discovery program of low-cost spacecraft with highly focused science goals. The Jet Propulsion Laboratory, Pasadena, CA, developed and manages the Mars Pathfinder mission for NASA's Office of Space Science, Washington, D.C. JPL is a division of the California Institute of Technology (Caltech). The Imager for Mars Pathfinder (IMP) was developed by the University of Arizona Lunar and Planetary Laboratory under contract to JPL. Peter Smith is the Principal Investigator.

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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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The original description page was here. All following user names refer to en.wikipedia.
  • 2004-07-05 08:49 Curps 248×240×8 (2638 bytes) Courtesy: NASA/JPL

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Date/TimeThumbnailDimensionsUserComment
current08:32, 14 September 2007Thumbnail for version as of 08:32, 14 September 2007248 × 240 (3 KB)Liftarn{{Information |Description=Courtesy: NASA/JPL The usually pinkish-red color of Mars's sky turns a violet color on occasion, due to the presence of water ice clouds with very small ice particles. Image from en:Mars Pathfinder

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