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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