Following the initial discovery of sulfur by the Chandrayaan 3 spacecraft, another on-board instrument, the Alpha Particle X-ray Spectrometer (APXS), confirmed the presence of sulfur through alternative techniques. This development has led scientists to explore new explanations for sulfur sources in lunar regions, considering possibilities such as endogenous, volcanic, and meteoric origins. A video released by Isro shows the APXS auto-hinging mechanism in action, positioning the detector head close to the lunar surface. Developed by the Institute of Physics (PRL), Ahmedabad, his APXS will help analyze the elemental composition of lunar soils and rocks in the Antarctic region where Chandrayaan 3 landed.
Watch: Chandrayaan 3 How rover and lander help each other find lunar sulfur | TOI original
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