Mars Pathfinder will carry an alpha-proton x ray spectrometer (APX) for the determination of the elemental chemical composition of Martian rocks and soils. The instrument will measure the concentration of all major and some minor elements, including C, N, and O at levels above typically 1 percent.
Alpha proton x ray spectrometer
1994-01-01
Conference paper
No indication
English
Electron--Proton Spectrometer Design Summary
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