File:PIA16791-MarsCuriosityRover-Composition-YellowknifeBayRocks.png

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English: PIA16791: Elemental Compositions of 'Yellowknife Bay' Rocks

Target Name: Mars Mission: Mars Science Laboratory (MSL) Spacecraft: Curiosity Instrument: Alpha Particle X-ray Spectrometer (MSL) Product Size: 1883 x 1179 pixels (width x height) Produced By: JPL Full-Res TIFF: PIA16791.tif (6.663 MB) Full-Res JPEG: PIA16791.jpg (161.1 kB) Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original) Original Caption Released with Image: Researchers have used the Alpha Particle X-ray Spectrometer (APXS) instrument on the robotic arm of NASA's Mars rover Curiosity to determine elemental compositions of rock surfaces at several targets in the "Yellowknife Bay" area of Gale Crater. This graphic presents results from APXS, with the comparisons simplified across diverse elements by dividing the amount of each element measured in the rocks by the amount of the same element in a local soil, called "Portage."

Vein-rich rocks contain elevated abundances of sulfur and calcium. Other rock targets are remarkably uniform in composition and similar to the Portage soil, excepting high chlorine. Brushing by Curiosity's Dust Removal Tool reveals lower abundances of sulfur in the rock than in the dust coating that the brushing removed.

NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Mars Science Laboratory Project and the mission's Curiosity rover for NASA's Science Mission Directorate in Washington. The rover was designed and assembled at JPL, a division of the California Institute of Technology in Pasadena.

More information about Curiosity is online at http://www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl/.
日期
來源 http://photojournal.jpl.nasa.gov/catalog/PIA16791
作者 NASA/JPL-Caltech/University of Guelph
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: PIA16791

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目前2013年12月6日 (五) 04:17於 2013年12月6日 (五) 04:17 版本的縮圖1,883 × 1,179(201 KB)Ras67=={{int:filedesc}}== {{Information |description={{en|1=PIA16791: Elemental Compositions of 'Yellowknife Bay' Rocks Target Name: Mars Mission: Mars Science Laboratory (MSL) Spacecraft: Curiosity Instrument: Alpha Particle X-ray Spectrometer (MSL) P...

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