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ClearIAS » Current Affairs Notes » Chandrayaan 2 – Everything you need to know about India’s second Lunar Mission

Chandrayaan 2 – Everything you need to know about India’s second Lunar Mission

Last updated on July 22, 2019 by Alex Andrews George

Chandrayaan 2

Chandrayaan 2 is the 1st space mission by any country to conduct a soft landing on the Moon’s south polar region.

Chandrayaan 2 – India’s second Lunar Mission

Chandrayaan 2 is an Indian lunar mission that will explore the Moon’s south polar region. No country has ever gone there before.

The launch vehicle will be carrying an orbiter, a rover named Pragyan and a lander named Vikram.

Chandrayaan 2 mission was launched on 22 July 2019 and is expected to land on the moon on Sep 7, 2019. The mission life of Orbiter will be one year whereas the mission life of lander (Vikram) and rover (Pragyan) will be one Lunar day which is equal to fourteen earth days.

Chandrayaan Program – India’s Lunar Mission

Indian Lunar Exploration Programme is called Chandrayaan. In Sanskrit, it means “Moon craft”. It is the brainchild of the Indian Space Research Organisation (ISRO).

Chandrayaan is a multiple mission programme – planned to be conducted in three phases – Chandrayaan 1, Chandrayaan 2, and Chandrayaan 3.

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The Chandrayaan 1 (2008) was planned as an orbiter/impactor, Chandrayan 2 (2019) contains soft landers/rovers, while Chandrayan 3 (2024) is intended for in situ sampling.

Chandrayaan 1 vs Chandrayaan 2

The Chandrayaan 1 mission was launched in October 2008 and was active in operations until August 2009. The mission included a lunar orbiter and an impactor. The Chandrayaan 1 mission was launched using the PSLV-XL rocket, serial number C11 from the Satish Dhawan Space Centre located in Sriharikota.

Chandrayaan 2 mission was launched from Sriharikota Space Center on 22 July 2019 to the Moon by a Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk III). It includes a lunar orbiter, lander and rover, all developed domestically. The main scientific objective is to map the location and abundance of lunar water.

Unlike Chandrayaan-1, Chandrayaan-2 will attempt to soft-land its Vikram module on the lunar surface and deploy a six-wheeled Rover, Pragyaan on the Moon to carry out several scientific experiments. The lift-off mass of Chandrayaan-1 was 1380 kg while Chandrayaan-2 weighs 3850 kg.

Chandrayaan 2 Components

chandrayaan mission 2

  1. Launcher – The GSLV Mk-III is India’s most powerful launcher to date and has been completely designed and fabricated from within the country.
  2. Orbiter – The Orbiter will observe the lunar surface and relay communication between Earth and Chandrayaan 2’s Lander — Vikram.
  3. Lander – The lander called ‘Vikram’ is designed to execute India’s first soft landing on the lunar surface. ‘Vikram’ is named after the space luminary, Dr Vikram A Sarabhai, who spearheaded India’s nascent space programme.
  4. Rover – The rover is a 6-wheeled, AI-powered vehicle named Pragyan, which translates to ‘wisdom’ in Sanskrit. The Rover can travel up to 500 meters (half a kilometre) from the landing spot on the moon.

Chandrayaan 2 landing site

Chandrayaan 2 will be making an attempt at landing a lander and the moon rover in a high plain situated between two craters called as Manzinus C and Simpelius N. The location has a latitude of about 70-degrees south.

The lunar South Pole is especially interesting because of the lunar surface area here that remains in shadow is much larger than that at the North Pole. There is a possibility of the presence of water in permanently shadowed areas around it. In addition, the South Pole region has craters that are cold traps and contain a fossil record of the early Solar System.

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Did you know?

The Chandrayaan 2 mission was initially supposed to launch on the moon on July 15, 2019, but was called off because of lack of pressure in the helium tanks onboard the GSLV Mk III launch vehicle.

Importance of Chandrayaan 2 Mission

  • 1st space mission to conduct a soft landing on the Moon’s south polar region.
  • 1st Indian expedition to attempt a soft landing on the lunar surface with home-grown technology.
  • 1st Indian mission to explore the lunar terrain with home-grown technology.
  • 4th country ever to soft-land on the lunar surface, after USA, Russia, and China.
  • Through this effort, the aim is to improve our understanding of the Moon – discoveries that will benefit India and humanity as a whole.
  • The insights and experiences from this lunar expedition may propel further voyages into the farthest frontiers.
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About Alex Andrews George

Alex Andrews George is a mentor, author, and entrepreneur. Alex is the founder of ClearIAS and one of the expert Civil Service Exam Trainers in India.

He is the author of many best-seller books like 'Important Judgments that transformed India' and 'Important Acts that transformed India'.

A trusted mentor and pioneer in online training, Alex's guidance, strategies, study-materials, and mock-exams have helped thousands of aspirants to become IAS, IPS, and IFS officers.

Reader Interactions

Comments

  1. Chetan Verma says

    July 22, 2019 at 10:20 pm

    What is the ge procedure to download mock test of prelims so that i needn’t access eveytime to my account to analyse the exam.

    Reply
  2. Abhishek says

    July 23, 2019 at 10:38 pm

    One lunar day is equal to one Orbit of the moon around earth, ie, 27days and not what has been mentioned as 14 days please check and correct this.

    Reply
    • Poornima says

      June 2, 2020 at 1:29 pm

      In case of moon, the face of the moon locked to the earth surface remains exposed to the sun for about 14 days and the other side is exposed to the sun for the next 14 days. This is why the lunar day is approximately 14 days long and the lunar night is again of the same duration.
      The 14 days cycle is when the South Pole part of the Moon gets sunlight. … Beyond this cycle, it will be too cold for the lander to survive..

  3. Mohini Pandey says

    July 24, 2019 at 8:46 am

    Thank you!

    Reply
  4. Rahul says

    July 26, 2019 at 3:25 pm

    good one….

    Reply
  5. Praveen kohli says

    July 30, 2019 at 12:36 pm

    29 days =1 lunar day

    Reply
  6. Catherine Grena says

    August 1, 2019 at 12:24 am

    Thankyou for your detailed information about chandrayaan 2

    Reply
  7. pratibha malik says

    August 7, 2019 at 12:02 am

    the lunar day lasts 29 days,12 hrs ,and 44 minutes and the moon take 27 days and 7 hrs for the sky to completely rotate back to its original position.

    Reply
  8. Unchi Udaan says

    August 10, 2019 at 3:57 pm

    This is Called the Real Power India is showing to the World im A Proud for Every Indians. <3 Love my India

    Reply
  9. Rakhi Mishra says

    September 7, 2019 at 5:17 pm

    But we feel positive and proud of our ISRO scientist.

    Reply
  10. Israrul Haque says

    September 13, 2019 at 3:08 pm

    Dear ClearIAS Team,

    Requesting you all to please udate the Chandrayaan 2 article with the recent developments of the mission.

    Reply
  11. SURESH NINGAPPA RATHOD says

    October 5, 2019 at 8:13 pm

    I love chandran 2 and chandrayan 1

    Reply

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