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File:Abundance of five gases in the atmosphere of Mars.png

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This graph shows the percentage abundance of five gases in the atmosphere of Mars, as measured by the Quadrupole Mass Spectrometer instrument of the Sample Analysis at Mars instrument suite on NASA's Mars rover in October 2012. The season was early spring in Mars' southern hemisphere, and the location was inside Mars' Gale Crater, at 4.49 degrees south latitude, 137.42 degrees east longitude

The graph uses as logarithmic scale for volume percentage of the atmosphere so that these gases with very different concentrations can all be plotted. By far the predominant gas is carbon dioxide, making up 95.9 percent of the atmosphere's volume. The next four most abundant gases are argon, nitrogen, oxygen and carbon monoxide. Researchers will use SAM repeatedly throughout Curiosity's mission on Mars to check for seasonal changes in atmospheric composition.

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Grafik ten pokazuje procentową zawartość pięciu głównych gazów w atmosferze Marsa, zmierzonych przez Kwadrupolowy Spektrometr Masowy ang. Quadrupole Mass Spectrometer (QMS), będącym jednym spośród trzech instrumentów analizatora gazów ang. Sample Analysis at Mars (SAM). SAM jest instrumentem pracującym na marsjańskim łaziku Curiosity, a pomiaru dokonano w październiku 2012 roku, w Kraterze Gala, na 4.49° szerokości geograficznej południowej, 137.2° długości geograficznej wschodniej, a w miejscu pomiaru znajdującym się na półkuli południowej panowała wtedy wczesna marsjańska wiosna.

W grafiku zastosowano wykres skali logarytmicznej w celu umożliwienia wykreślenia grafu w sytuacji gdy występują duże różnice procentowej zawartości pierwszych pięciu gazów. Zdecydowanie dominującym gazem jest dwutlenek węgla, stanowiący 95,9 procent objętości atmosfery. Następne cztery najbardziej liczne gazy argon, azot, tlen, tlenek węgla. Naukowcy będą używać SAM wielokrotnie podczas misji na Marsie, aby sprawdzić, sezonowe zmiany składu atmosfery.

Image Credit: NASA/JPL-Caltech, SAM/GSFC
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Source http://www.nasa.gov/mission_pages/msl/multimedia/pia16460.html
Author NASA
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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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current18:44, 15 November 2012Thumbnail for version as of 18:44, 15 November 2012946 × 710 (154 KB)Romkur (talk | contribs){{Information |Description=This graph shows the percentage abundance of five gases in the atmosphere of Mars, as measured by the Quadrupole Mass Spectrometer instrument of the Sample Analysis at Mars instrument suite on NASA's Mars rover in October 201...

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