Alpha particle X-ray spectrometer
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An alpha particle X-ray spectrometer (APXS) is a spectrometer that analyses the chemical element composition of a sample from scattered alpha particles and fluorescent X-rays after a sample is irradiated with alpha particles and X-rays from radioactive sources. This method of analysing the elemental composition of a sample is most often used on space missions, which require low weight, small size, and minimal power consumption. Other methods are faster, and do not require the use of radioactive materials, but require larger equipment with greater power requirements. A variation is the alpha proton X-ray spectrometer, such as on the Pathfinder mission, which also detects protons.
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When Chandrayaan-3 instrument had a momentary blackoutChandrayaan-3's Alpha Particle X-Ray Spectrometer (APXS) instrument experienced a momentary blackout due to a late addition of a rover safety consideration, according to Santosh Vadawale, the principal..IndiaTimes - Published | |
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