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The map of relative number densities of Ar-40 at Moon’s surface, where the X-axis represents the selenographic longitude and the Y-axis represents the selenographic latitude. Certain regions with enhanced Ar-40 signal are clearly seen.BENGALURU: Isro on Tuesday said that the mass spectrometer onboard the Chandrayaan-2 orbiter, Chandra’s Atmospheric Composition Explorer-2 (CHACE-2), has made the first-of-its-kind…Continue Reading

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The Chandra’s Atmospheric Composition Explorer-2 (CHACE-2), a quadrupole mass spectrometer onboard Chandrayaan-2 mission, has made the first-of-its-kind observations of the global distribution of Argon-40 in the tenuous lunar exosphere, according to the Indian Space Research Organisation.These observations provide insight on the dynamics of the lunar exospheric species, as well as on the radiogenic activities in…Continue Reading

Isro prevents Chandrayaan-2 collision with Nasa’s Lunar Orbiter

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(This story originally appeared in on Nov 16, 2021)Nearly a month after the actual manoeuvre, the Indian Space Research Organisation (Isro) has disclosed that Chandrayaan-2 orbiter had to perform a collision avoidance manoeuvre (CAM) to avoid colliding with NASA’s Lunar Reconnaissance Orbiter (LRO), in October. “A very close conjunction between the Chandrayaan-2 Orbiter and the…Continue Reading