Image:MER APXS PIA05113.jpg

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  • Alpha Particle X-ray Spectrometer (APXS) of a Mars Exploration Rover (MER)
  • original description: Located on the arm of the Mars Exploration Rover Spirit, the alpha particle X-ray spectrometer uses alpha particles and X-rays to determine the chemical make up of martian rocks and soils. This type of information helps scientists understand how the planet's crust was weathered and formed. Mars Exploration Rover team members used this palm-sized instrument on a small patch of martian soil just after Spirit rolled off the Columbia Memorial Station. They found that although the soil was very similar to what they had seen previously on Mars, the instrument's improved sensitivity allowed them to see new elements and subtle differences not detected before.
  • source: http://photojournal.jpl.nasa.gov/catalog/PIA05113


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 This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". ( NASA copyright policy page or JPL Image Use Policy).

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current 00:09, 14 July 2005 1,620×1,431 (261 KB) Bricktop
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