CHANDRAYAAN-3

The Chandrayaan-3 Mission is aimed at demonstrating critical technologies to land the spacecraft on the south pole of the moon.
It is a follow-on mission to Chandrayaan-2 to demonstrate end-to-end capability in safe landing and roving on the lunar surface.
Chandrayaan-3 is a composite of three modules i.e., propulsion, lander and rover.
The mission carries scientific instruments to study the thermo-physical properties of the lunar regolith, lunar seismicity, lunar surface plasma environment and elemental composition in the vicinity of the landing site.
The propulsion module would carry the lander and rover configuration till 100 km lunar orbit.
It has Spectro-polarimetry of Habitable Planet Earth (SHAPE) payload to study the spectral and Polari metric measurements of Earth from the lunar orbit.

The lander payloads would be:

‘Chandra’s Surface Thermophysical Experiment’ which would calculate the thermal conductivity and temperature
‘Instrument for Lunar Seismic Activity’ to measure the seismicity around the landing site
‘Langmuir Probe’ which would estimate the plasma density and its variations.
A passive Laser Retroreflector Array from the NASA is also onboard for lunar laser ranging studies.
The rover payloads would be ‘Alpha Particle X-ray Spectrometer’ and ‘Laser Induced Breakdown Spectroscopy’ for deriving the elemental composition in the vicinity of the landing site.
The Chandrayaan Spacecraft would be launched by LVM3 (Launch Vehicle Mark-III) earlier referred as (GSLV Mk III) from Sriharikota.

SOURCE: THE HINDU, THE ECONOMIC TIMES, PIB

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