India's Chandrayaan-2 Orbiter's Recent Discovery on Moon
Chandrayaan-2 Spectrometer "Chandra’s Atmospheric Composition Explorer-2 or CHACE-2" made first-of-its-kind unique observation
CHACE-2's Recent Discovery on Moon
CHACE-2 onboard Chandrayaan-2 mission, discovered an inert, colourless & odorless element in Moon’s Atmosphere
Discovered Argon Gas in Moon’s Atmosphere
Argon-40 (Ar-40) is a Noble gas formed from radioactive disintegration of Potassium-40
Why these observation of Argon-40 in lunar exosphere important?
Noble gases play very important role as they serve as tracers to understand surface-exosphere interaction processes
Why these observations of Argon-40 important?
It has a significant role in providing the insights of dynamics of the lunar exospheric species
But why these results are unique?
Uniqueness of this result from Chandrayaan-2 Chandra’s Atmospheric Composition Explorer-2 (CHACE-2) explained by the Space Agency
Explained by the Space Agency
According to ISRO, the CHACE-2 observations have covered the equatorial & mid latitude regions of the Moon
Explained by the Space Agency
Providing the diurnal and spatial variation of Ar-40 & bridge the gap area to study the dynamics of the lunar exospheric species
What CHACE-2 observations revealed ?
Increase in no. density of Ar-40 near sunrise terminator, which decrease through dayside, a secondary peak near sunset terminator & a night-side minima
What CHACE-2 observations revealed ?
CHACE-2 observations also revealed that the distribution in Ar-40 has significant spatial heterogeneity
What CHACE-2 observations indicate?
Moon quakes, regions with lower activation energies and unknown or additional loss processes
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