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Chandrayaan-3 Mission Components: Unlocking Lunar Mysteries

Chandrayaan-3, building upon Chandrayaan-2, aims to demonstrate advanced lunar exploration capabilities. Consisting of a Lander and Rover configuration, this mission endeavors to uncover the Moon’s secrets through scientific payloads and cutting-edge technology.

Lander Module:

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  • The indigenous Lander module is the centerpiece of Chandrayaan-3.
  • Designed for soft landing, it carries scientific payloads to study lunar phenomena.
  • Propulsion Module (PM) carries the Lander and Rover configuration to a 100 km lunar orbit.
  • PM features the Spectro-polarimetry of Habitable Planet Earth (SHAPE) payload, analyzing Earth’s spectral and polarimetric measurements from lunar orbit.

Lander Payloads:

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  • Chandra’s Surface Thermophysical Experiment (ChaSTE): Measures thermal conductivity and temperature.
  • Instrument for Lunar Seismic Activity (ILSA): Gauges seismicity around the landing site, probing lunar crust and mantle.
  • Langmuir Probe (LP): Estimates plasma density and variations.
  • Laser Retroreflector Array (LRA): NASA’s passive experiment for lunar laser ranging studies.

Rover Payloads:

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  • Alpha Particle X-ray Spectrometer (APXS): Derives elemental composition of lunar soil and rocks.
  • Laser Induced Breakdown Spectroscope (LIBS): Provides insights into chemical and mineral composition near the landing site.

Advanced Technologies and Objectives:

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  • Chandrayaan-3 aims to demonstrate advanced technologies for interplanetary missions.
  • Lander employs altimeters, velocimeters, inertial measurement, propulsion systems, navigation, and hazard detection for safe landing.
  • Mission objectives encompass safe landing, rover mobility, and in-situ scientific experiments.

Mission Specifications:

  • Chandrayaan-3’s mass is 3900 kg, with Propulsion Module at 2148 kg and Lander Module at 1752 kg.
  • Power generation ranges from 50W (Rover) to 758W (Propulsion Module).
  • Communication involves IDSN links for Propulsion Module and Lander, with contingency link to Chandrayaan-2 Orbiter.

Scientific Payloads Significance:

  • Lander payloads study lunar plasma, thermal properties, seismic activity, and cosmic dynamics.
  • Rover payloads unravel elemental and mineral composition, enriching lunar geological knowledge.
  • Chandrayaan-3 contributes to exploring lunar history, Solar System evolution, and potential for future lunar bases.

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