Chandrayaan propulsion, lander modules separate

Syllabus: Achievements of Indians in science & technology; indigenization of technology and developing new technology.

Context

After the separation of the two modules, a series of complex braking maneuvers will be executed to facilitate a soft landing.

Add on points

  • The lander module is set to descend to a slightly lower orbit upon a deboosting planned for today; payload in propulsion module will continue to be in operation for a period of three to six months
  • The Chandrayaan-3 consists of a lander module, a propulsion module and a rover. The propulsion module and the lander module parted ways. LM is successfully separated from the Propulsion Module (PM). The lander and the rover have a mission life of one lunar day (14 earth days).
  • The Spectro-polarimetry of Habitable Planet Earth (SHAPE) payload on board the propulsion module would perform spectroscopic study of the Earth’s atmosphere and measure the variations in polarisation from the clouds on Earth to accumulate signatures of exoplanets that would qualify for habitability by humans.
  • After the separation of the two modules, a series of complex braking manoeuvres will be executed to facilitate a soft landing in the south polar region of the moon.
  • The lander is expected to touch down on the moon surface on August 23 at 5.47 p.m.
  • The exclusive findings and inputs of Chandrayaan-3 would benefit the entire world community.
  • Chandrayaan was the first to capture pictures of water on the surface of the Moon.
  • India will be the fourth country in the world to achieve this feat after the United States, Russia, and China, but India will be the only country in the world to land on the lunar South Pole.

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