Chandrayaan-3: Pragyan Rover has been put to sleep for 15 days

Pragyan Rover has been put to sleep for 15 days

On Saturday, ISRO said that the rover has completed its work and has now been safely parked and set in sleep mode for 14–15 days. Because night is going to fall on the moon soon. The APXS and LIBS payloads are currently closed. With the help of these payloads, data is sent to Earth through the lander. ISRO said its battery is fully charged. and the receiver is turned on.

ISRO told me that the night is about to start on the moon. When Chandrayaan-3 landed on the south pole of the moon at 6:40 p.m. on August 23, 2023, the sun was rising there at that time. ISRO’s plan was that sunlight would continue to fall on the part of the moon where the lander-rover would land for the next 14–15 days. It’s still day there. That is, there will be light only for the next four-five days; after that, it will start getting dark and sunlight will not fall on the lander-rover. Therefore, the system is switched off only after the battery is fully charged.

What will the rover’s payloads do?

Laser-Induced Breakdown Spectroscope (LIBS): It will study element compositions like magnesium, aluminum, silicon, potassium, calcium, tin, and iron.

Alpha Particle X-ray Spectrometer (APXS): It will study the quantity and quality of chemicals present on the surface of the moon, as well as search for minerals.

What will the payloads of Vikram Lander do?

  • RAMBHA: It will investigate the density, quantity, and changes in plasma particles coming from the sun on the surface of the moon.
  • ChaSTE: It will investigate the heat on the lunar surface.
  • ILSA: It will investigate earthquake activities around the landing surface.
  • LRA (Laser Retroreflector Array): It will try to understand the dynamics of the moon.


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