• Sat. Jun 15th, 2024

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Chandrayaan-3

Indian Space Research Organization (ISRO) has organized third lunar exploration mission on 14th July 2023 at 2.35 pm from Satish Dhawan Space Centre by Chandrayaan-3. Where the payload will be placed on Luner orbit. 

Purpose 

  1. To arrange a soft landing of Lander on Moon’s surface. 
  1. To follow and reveal rover’s performance on moon. 
  1. To identify Moon’s elements. 

The machine  

Chandrayaan-3 is made up of three parts. 

(a) Propulsion Module (weight 2148 kg) 

It is the carrier for lander and rover setup. It will reach up to 100 km lunar orbit. This setup  

It has a solar panel on one side and a cylindrical Intermodular Adapter Cone on top for lander mounting. 

Also having Spectro-polarimetry of Habitable Planet Earth (SHAPE) for spectral and polarimetric study of Earth from Luner orbit. 

(b)Lander (weight 1726 Kg): 

Namely Vikram. It will help for the soft landing on the Moon surface. It is the carrier for Rover and other scientific Instruments for on-the-spot analysis. It is having four throttle-able engines (Chandrayaan-2 had five 800 Newtons engines). Chandrayaan-3 lander is having Laser Doppler Velocimeter (LDV) which will measure the velocity of transparent or semitransparent liquid. 

(c) Rover (weight 26 Kg): 

Namely Pragyan. Generally, a movable research center which will explore the moon surface. 

Vehicle Used: The Launch Vehicle Mark-III (lvm3 m4) 

Chandrayaan-3 mission cost: Approximately ₹615 crore 

Mission Life: Propulsion Module 3-6 months, Lander & rover 1 Luner Day. 

Landing site: near the lunar south pole. 69.36-degree S, 32.34 E. 

Duration to Moon: 42 days (Chandrayaan-2 taken 48 days) 

Path of Chandrayaan-3:  

The trajectory will follow a similar path as Chandrayaan-2.  It will rotate around the The Earth several times before moving towards the Moon. After touching the Moon’s gravitational pull, it will follow a circular path for 100 x 100 km. Later Lander will separate and touch the moon’s surface. 

Difference between Chandrayaan-2 and Chandrayaan-3: 

ISRO Chairman S Somanath said, “instead Chandrayaan-2 was success-based design, the space agency decides for a failure-based design in Chandrayaan-3, main aim on what all can fail and how to protect it and ensure a successful landing.” 

What is special about Chandrayaan-3 : 

On Chandrayaan-3 success, it would be India’s first successful landing of Lander on the Moon’s surface. 

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