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Image Courtesy: The Economic Times

Chandrayaan 3 

chandrayaan 3
Chandrayaan 3

In News: Chandrayaan 3

The Indian Space Research Organisation (ISRO) launched its 3rd lunar mission – Chandrayaan 3 which aims to be the world’s first mission to soft-land near the lunar south pole.

About Chandrayaan 3

  • It is a follow-on mission to Chandrayaan-2 to demonstrate end-to-end capability in safe landing and roving on the lunar surface.
  • It consists of:
    1. An indigenous Lander module (LM): for soft landing and deployment Rover.
    2. Propulsion module (PM): To carry the lander and rover configuration till 100 km lunar orbit.
    3. Rover: To carry out in-situ chemical analysis of the lunar surface.
  • Mission Life of Lander and Rover will be One lunar day (~14 Earth days).
  • It was launched by Launch Vehicle Mark-III or LVM3 from, Sriharikota.
  • If the mission is successful, India will become the 4th country along with the United States, China and Russia to successfully perform a controlled landing on the Moon.

Objectives of the Chandrayaan 3
Objectives of the Chandrayaan 3

Objectives of the Chandrayaan 3

  • To study the lunar surface and its mineral composition, as well as to search for water ice deposits.
  • It will also study the Moon’s atmosphere and the interaction between the solar wind and the lunar surface.
  • The data collected by the mission will be used to further our understanding of the Moon’s origin and evolution, as well as its potential as a resource for future human exploration

To achieve the mission objectives, several advanced technologies are present in Lander such as, Altimeters, Velocimeters, Inertial Measurement, Propulsion System (Throttleable Liquid Engines), Navigation, Guidance & Control (NGC), Hazard Detection and Avoidance (Lander Hazard Detection & Avoidance Camera and Processing Algorithm) & Landing Leg Mechanism.

About LVM3 (Launch Vehicle Mark 3 (LVM3) (previously known as GSLV-MK III))

  • LVM3 is the new heavy lift launch vehicle of ISRO for achieving a 4000 kg spacecraft launching capability to GTO (Geosynchronous Transfer Orbit) in a cost-effective manner.
  • LVM3 is configured as a three-stage vehicle with two solid strap-on motors (S200), one liquid core stage (L110) and a high thrust cryogenic upper stage (C25).

Earlier Moon Missions by India
Chandrayaan-1 Mission (first lunar mission, in 2008) (Launch Vehicle: PSLV)
  • It Involved an orbiter and an impactor. It was the 1st to discover water on the Moon.
  • It was operational for 312 days till August 29, 2009.
Chandrayaan-2 Mission (launched in 2019) (Launch Vehicle: GSLV-Mk 3)
  • It involves an orbiter, a lander named Vikram and a rover named Pragyaan.
  • It was India’s 1st to attempt a soft landing near the south pole of the Moon. Its lander crashed into the lunar surface.

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