File:PIA10741 Possible Ice Below Phoenix.jpg

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PIA10741_Possible_Ice_Below_Phoenix.jpg(512 × 256像素,文件大小:33 KB,MIME类型:image/jpeg


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The Robotic Arm Camera on NASA's Phoenix Mars Lander captured this image underneath the lander on the fifth Martian day, or sol, of the mission. Descent thrusters on the bottom of the lander are visible at the top of the image.

This view from the north side of the lander toward the southern leg shows smooth surfaces cleared from overlying soil by the rocket exhaust during landing. One exposed edge of the underlying material was seen in Sol 4 images, but the newer image reveals a greater extent of it. The abundance of excavated smooth and level surfaces adds evidence to a hypothesis that the underlying material is an ice table covered by a thin blanket of soil.[1]

The bright-looking surface material in the center, where the image is partly overexposed, may not be inherently brighter than the foreground material in shadow.

The Phoenix Mission is led by the University of Arizona, Tucson, on behalf of NASA. Project management of the mission is by NASA's Jet Propulsion Laboratory, Pasadena, Calif. Spacecraft development is by Lockheed Martin Space Systems, Denver.
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来源

http://photojournal.jpl.nasa.gov/catalog/PIA10741

本图像或视频收录于美国国家航空航天局 (NASA)喷气推进实验室(Jet Propulsion Laboratory),其照片编号是: PIA10741

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作者 NASA/Jet Propulsion Lab-Caltech/University of Arizona/Max Planck Institute
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(二次使用本文件)
NASA public domain image

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Public domain 本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zhNASA版权方针页面JPL图片使用方针。)
警告:
  1. Smith, P., et al. 2009. H2O at the Phoenix Landing Site. Science: 325, 58-61.

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当前2008年6月1日 (日) 00:102008年6月1日 (日) 00:10版本的缩略图512 × 256(33 KB)WolfmanSF{{Information |Description=The Robotic Arm Camera on NASA's Phoenix Mars Lander captured this image underneath the lander on the fifth Martian day, or sol, of the mission. Descent thrusters on the bottom of the lander are visible at the top of the image.

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