Science & Tech

The Chandrayaan-3 Mission is almost ready to launch

  • Chandrayaan-3, India’s planned lunar exploration project, is scheduled to launch in mid-July.
  • The Indian Space Research Organisation (ISRO) has made a critical choice to keep the names of the lander and rover from the previous mission, Chandrayaan-2.

Mission Chandrayaan-3

  • Chandrayaan-3 is a follow-up mission to Chandrayaan-2 that will demonstrate end-to-end capability in safe lunar landing and wandering.
  • It has a Lander and a Rover configuration. LVM3 will launch it from SDSC SHAR in Sriharikota.
  • The lander and rover configuration will be carried by the propulsion module until they reach 100 km lunar orbit.
  • The Spectro-polarimetry of Habitable Planet Earth (SHAPE) payload aboard the propulsion module is used to analyse spectral and Polarimetric measurements of Earth from lunar orbit.

Keeping the Names: Dedicated to Chandrayaan-2

  • The names Vikram and Pragyan will be carried over to the Chandrayaan-3 mission, according to ISRO Chairman.
  • This choice honours the 2019 Chandrayaan-2 lunar adventure while also demonstrating India’s dedication to its space exploration tradition.

Learning from Chandrayaan-2:

  • The Chandrayaan-2 mission suffered losses when the lander-rover configuration, as well as the payloads, were lost during a failed soft landing attempt.
  • Despite the failure of the last mission, ISRO revealed preparations for Chandrayaan-3, which aims for a successful lunar landing.

Mission Specifications: Investigating the Moon’s Surface and Atmosphere

  • A propulsion module will be used to launch Chandrayaan-3 from Sriharikota aboard the LVM3 rocket.
  • The propulsion module will convey the lander-rover configuration to a 100-kilometer lunar orbit.
  • Pragyan, a lunar surface chemical analysis instrument, will be deployed by the Vikram lander module.

[A] Scientific Payloads: Unravelling Lunar Mysteries

  • RAMBHA (Radio Anatomy of Moon Bound Hypersensitive Ionosphere and Atmosphere): Researching the ionosphere and atmosphere of the moon.
  • The Chandra Surface Thermophysical Experiment (ChaSTE) examines the thermal properties of the lunar surface.
  • The Instrument for Lunar Seismic Activity (ILSA) monitors seismic activity on the moon.
  • LASER Retroreflector Array (LRA): Enabling exact lunar distance measurements.

[B] Rover Payloads

  • The Alpha Particle X-ray Spectrometer (APXS) analyses the lunar surface’s elemental composition.
  • The LASER Induced Breakdown Spectroscope (LIBS) is used to investigate the elemental abundance and properties of lunar rocks.

[C] Propulsion Module Payload:

  • SHAPE (Spectro-polarimetry of HAbitable Planet Earth): Collecting data on Earth’s habitability.


  • The Chandrayaan-3 project represents India’s ambition to further study the moon and overcome previous hurdles.
  • ISRO honours its space program’s pioneers while going on a new lunar expedition by keeping the names Vikram and Pragyan.
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