Home Indian Education Historical past Behind One in every of India’s Most Important House Journeys

Historical past Behind One in every of India’s Most Important House Journeys

Historical past Behind One in every of India’s Most Important House Journeys


As we wait with bated breath for the launch of Chandrayaan-3, right here’s a journey again in time to how the mission got here to be, and its significance in India’s quest to discover area.

The Indian House Analysis Organisation (ISRO) introduced that it might be launching its formidable lunar mission Chandrayaan-3 on July 14 at 2:35 PM. The launch would happen from the area port on the Satish Dhawan House Centre in Sriharikota, Andhra Pradesh.

ISRO Chairman S Somanath mentioned the lander is predicted to soft-land on the lunar floor on August 23 or 24.

“The launch of Chandrayaan-3 will probably be on July 14 . If the launch takes place on that day we will probably be prepared for touchdown on the moon probably by the final week of August. The date is set by the dawn on the moon. When the touchdown takes place, daylight needs to be there. A day on the moon is 15 Earth days. You’ll have daylight for 15 days and within the subsequent 15 days there will probably be no daylight for a given location,” Somanath advised reporters on the sidelines of the G20 assembly on the area financial system.

Chandrayaan-3 is India’s third lunar mission. As everybody waits with bated breath for the launch, right here’s a quick historical past of Chandrayaan-2 and Chandrayaan-1.

Chandrayaan-2: A stepping stone

A file image of Chandrayaan 2 lift off
File picture of Chandrayaan 2 lift-off; Picture courtesy: ISRO

Chandrayaan-3 is a follow-up to Chandrayaan-2, and a results of 4 years of efforts by ISRO. 

The sooner mission was launched on 22 July 2019 into area utilizing the Geosynchronous Satellite tv for pc Launch Car Mark III. The challenge value Rs 978 crore. 

The Chandrayaan-2 spacecraft consisted of an orbiter, a lander (Vikram) and a rover (Pragyan). 

The goal was to mushy land Vikram on the lunar floor and deploy Pragyaan to hold out scientific experiments. It additionally wished to attain the first-ever touchdown within the Lunar South Pole Area.

Sadly, the lander, named Vikram, skilled a tough touchdown on 07 September 2019. This destroyed the rover.

The orbiter was profitable, positioned within the desired orbit and will probably be utilized by Chandrayaa-3. Chandrayaan-2 was additionally a totally indigenous mission. It was additionally the primary to be led by girls scientists. Muthayya Vanitha was the challenge director and Ritu Karidhal was the mission director of Chandrayaan 2.


ISRO's PSLV - C11 launching the Chandrayaan 1
ISRO’s PSLV – C11 launching the Chandrayaan 1; Picture courtesy: ISRO

Chandrayaan-1 was India’s first mission to the moon. It was launched on a PSLV rocket on 22 October 2008.

It carried 11 scientific devices which have been in-built India, USA, UK, Germany, Sweden and Bulgaria.

The satellite tv for pc remodeled 3,400 orbits across the Moon and the mission was concluded after ISRO misplaced communication with the spacecraft on 29 August, 2009. The orbiter found water on the Moon, which was introduced by NASA in September 2009. 

In some ways, Chandrayaan-1 was the start of larger area missions by India.

In an interview, Chandrayaan-1 Mission Director Srinivasa Hegde mentioned that it was Dr Okay Kasturirangan, who chaired ISRO from 1994 to 2003, who wished the organisation to play a small function in India’s ambition to change into a superpower. 

“The concept of a Moon orbiter was floated round and was acquired positively by everybody. On the time, ISRO already had geostationary satellites, which had loads of gasoline. The essential infrastructure was prepared and the one delta required was adapting it to the Moon. Preliminary calculations confirmed that our PSLV rocket might present an Earth-bound orbit past which the gasoline on the spacecraft may very well be used to go to the Moon and carry out orbital seize. In all, Chandrayaan-1 appeared like a logical extension of our capabilities,” mentioned Hegde to Supercluster


Now, Chandrayaan-3 will full the mission began by Chandrayaan-2.

It’s an try and land on the moon and display end-to-end functionality in protected touchdown and roving on the lunar floor.

Solely three nations, the US, the erstwhile Soviet Union, and China, have achieved profitable moon landings.

One other goal is to display the roving capabilities of the rover, and conduct scientific experiments. The Chandrayaan-3 mission carries scientific devices to review the thermophysical properties of the moon. In March 2023, the Chandrayaan-3 spacecraft accomplished the required exams to display its functionality to handle the surroundings throughout launch.

Chandrayaan-3 consists of a lander module, propulsion module and a rover. 

The ISRO chairman mentioned that they’ve realized from the failure of Chandrayaan-2 and included these learnings. 

“Chandrayaan-2 was unsuccessful on the touchdown stage and we’ve got collected the elementary information of the touchdown and carried out an evaluation, simulation and studied the issues within the touchdown stage. Because the lander crashed onto the moon, we’ve got information that was recorded on the time of the crash. We’ve used the information to simulate the incident. We’ve discovered that there are three or 4 causes that the touchdown was a failure,” mentioned Somanath.

In a dialog with News18.com, former ISRO chairman Okay Sivan mentioned that they’ve learnt from Chandrayaan-2’s errors.

“Principally, there have been just a few issues, not just one downside. Over the previous 4 years, super work has been completed. And the at the start one was that in Chandrayaan 2, the touchdown section was not profitable, whereas the orbital mission was partly profitable. The information that we gathered throughout that point, that information was analysed very totally, understood what actually went mistaken, and now for every downside that we noticed corrective actions have been taken. We’ve understood the full information, analysed the information, and understood the issue. Now corrective actions have been taken contemplating all these points,” mentioned Sivan.

Edited by Divya Sethu

‘Chandrayaan 3 Will Be A Success, Corrected Our Errors, Lander Strengthened: Ex-ISRO Chief’ by  Harish Upadhya for News18, Revealed on 7 July 2023
‘ISRO gears up for Chandrayaan-3 launch on July 14, says classes from final touchdown failure give hope of success’ Revealed on 7 July 2023 Courtesy The Indian Categorical
‘India’s function within the new race to the moon’ by Jatan Mehta for Supercluster, Revealed on 5 August 2020



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