File:PIA10741 Possible Ice Below Phoenix.jpg

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PIA10741_Possible_Ice_Below_Phoenix.jpg(512 × 256 像素,檔案大小:33 KB,MIME 類型: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.
日期
來源

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

本圖像或影音收錄於美國國家航空暨太空總署 (NASA)噴射推進實驗室(Jet Propulsion Laboratory),其照片編號為: PIA10741

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作者 NASA/Jet Propulsion Lab-Caltech/University of Arizona/Max Planck Institute
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NASA public domain image

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Public domain 本作品由NASA創作,屬於公有領域。根據NASA的版權政策:“NASA的創作除非另有聲明否則不受版權保護。”(參見:Template:PD-USGov/zhNASA版權政策JPL圖像使用政策
警告:
  1. Smith, P., et al. 2009. H2O at the Phoenix Landing Site. Science: 325, 58-61.

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目前2008年6月1日 (日) 00:10於 2008年6月1日 (日) 00:10 版本的縮圖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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