how Chandrayaan 3 works on moon

Babu sikdar

Chandrayaan 3 is the most recent success, The whole world has raised the eyes of space Agency. Know how Chandrayaan 3 work on moon. The fact that India could move forward in such a way after learning from the failed mission of Chandrayaan 2 surprised the whole world.

Here are technical specifications of Chandrayaan-3

Chandrayaan 3 GSLV MK III-M1
  • Launch vehicle: GSLV Mk III-M1
  • Launch mass: 3900 kg
  • Payload mass:
    • Propulsion module: 2148 kg
    • Lander module (Vikram): 1726 kg
    • Rover (Pragyan): 26 kg
  • Power:
    • Propulsion module: 758 W
    • Lander module: 738 W (WS with Bias)
    • Rover: 50 W
  • Mission life:
    • Propulsion module: 3 to 6 months
    • Lander module: 1 lunar day (14 Earth days)
    • Rover: 1 lunar day (14 Earth days)

Here are some of the differences between Chandrayaan-2 and Chandrayaan-3:

  • Chandrayaan-3 does not have an orbiter. This was done to reduce the complexity of the mission and to save costs.
  • The landing area for Chandrayaan-3 has been expanded. This will give the lander more flexibility to land safely.
  • The lander for Chandrayaan-3 has been equipped with more fuel. This will allow it to travel to a wider range of landing sites.

Chandrayaan 3 will use a total of 11 cameras, sensors, and instruments to study the Moon. These include:

Vikram Lander Vikram Lander

  • Laser Inertial Referencing and Accelerometer Package (LIRAP): This provides orientation and acceleration data for the lander.
  • Ka-Band Altimeter (KaRA): This measures the distance between the lander and the Moon.
  • Lander Position Detection Camera (LPDC): This takes images of the landing site to help the lander avoid obstacles.
  • Lander Hazard Detection & Avoidance Camera (LHDAC): This detects potential hazards on the landing site.
  • Laser Altimeter (LASA): This measures the altitude of the lander above the Moon.
  • Laser Doppler Velocimeter (LDV): This measures the velocity of the lander.
  • Lander Horizontal Velocity Camera (LHVC): This takes images of the lander’s horizontal motion.
  • Micro Star sensor: This identifies celestial bodies and their positions.
  • Inclinometer & Touchdown sensors: These measure the inclination of the lander and the touchdown force.

Pragyan Rover Pragyan Rover

  • Alpha Particle X-ray Spectrometer (APXS): This analyzes the elemental composition of the lunar surface.
  • Laser Induced Breakdown Spectroscope (LIBS): This analyzes the chemical composition of the lunar surface.
  • Orbiter
  • Spectropolarimetry of HAbitable Planet Earth (SHAPE): This studies Earth’s atmosphere and climate from lunar orbit.

The following are the specific communication systems and software used for the Chandrayaan-3 mission:

Chandrayaan-3 uses a two-way communication system to transmit and receive data between the spacecraft and the ground station. The communication system uses a variety of frequencies, including S-band, X-band, and Ka-band. The software used to control the mission is called the Chandrayaan-3 Mission Operations System (MOS). The MOS is responsible for all aspects of the mission, from planning and scheduling to data analysis and archiving.

  • Communication system:
    • S-band: This is the primary communication band for the mission. It is used for telemetry, telecommand, and tracking.
    • X-band: This is used for high-rate data transfer. It is used to transmit high-resolution images and other data from the spacecraft to the ground station.
    • Ka-band: This is used for the Lander Hazard Detection and Avoidance Camera (LHDAC). The LHDAC uses Ka-band to transmit data to the ground station in real time.
  • Software:
    • Chandrayaan-3 Mission Operations System (MOS): This is the main software used to control the mission. It is responsible for all aspects of the mission, from planning and scheduling to data analysis and archiving.
    • Lander Hazard Detection and Avoidance Software (LHDAS): This software is used to control the LHDAC. It is responsible for processing the data from the LHDAC and determining if there are any potential hazards on the landing site.

The following is a list of some of the key scientists who were involved in the mission:

  • P. Veeramuthuvel: Chief scientist for the mission
  • S.K. Arya: Project director
  • Kalpana Kalahasti: Associate project director
  • M. Sankaran: Director, Vikram Sarabhai Space Centre
  • S. Somanath: Chairman, Indian Space Research Organisation

Here are some of the women scientists who played a major role in the Chandrayaan-3 mission:

  • V.R. Lalithambika: Distinguished scientist, Indian Space Research Organisation
  • Moumita Dutta: Scientist/engineer, Indian Space Research Organisation
  • Reema Ghosh: Scientist/engineer, Indian Space Research Organisation


Chandrayaan 3 is one of ISRO’s most successful missions in 2023.It has not only seen the face of success but will put India far ahead of neighboring countries in the field of pace science. India has a successful and successful record of being the first country to land on the lunar surface in the south, ISRO has not only established itself but also brightened the face of our India and uplifted our glory.

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