India Reschedules Moon Mission

22 Juillet, 2019, 02:53 | Auteur: Therese Cote
  • A series of manoeuvres will them be carried out to raise its orbit and put Chandrayaan-2 on a Lunar Transfer Orbit to travel the 3.54 lakh km distance to the moon

The launch of Chandrayaan 2 was called off last week as the rocket was not functioning according to laid down parameters, sources at ISRO had said, adding that the strategy was to launch the mission as quickly as possible. However, the flight was postponed after a technical snag was detected an hour prior to the rocket lift-off. The Mission is slated to launch on July 22 at 2:43 pm. The Chandrayaan-2 integrated module is expected to reach the Moon's orbit by September, and make a landing on 6 September.

ISRO said Saturday it has completed the launch rehearsal of GSLV Mark III-M1, the launch vehicle of Chandrayaan 2, and its performance is normal. India does not have a rocket powerful enough to hurl Chandrayaan-2 on a direct path. The agency's YouTube channel is also covering the event.

The launch of Chandrayaan-2 had missed its date earlier too when it was fixed for the first week of January.

The Indian Space Research Organisation (ISRO) scientists, who aborted the previous launch with 56 minutes left for the countdown to end on July 15, have taken quick remedial action based on an analysis carried out by a team set up to look into the snag and announced the rescheduled launch three days ago.

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"There will be 15 terrifying minutes for scientists once the lander is released and is hurled towards the south pole of the Moon", Dr Sivan said. Chandrayaan-2 will look to build on this monumental discovery from the ground.

From here, the Chandrayaan will take a few days to arrive in the proximity of the Moon.

If successful, India would be the fourth country to pull off a soft landing on the moon's surface after US, Russia and China. The main scientific objective of this mission is to map the location and abundance of lunar water. The lunar lander, known as Vikram, and a rover, known as Pragyan, will set up shop in the south, unlike any previous mission to the moon. The proposed landing spot is between two craters, Manzinus C and Simpelius N.

All three of ISRO's robotic explorers have different lifespans and will be looking to achieve key science goals in their limited time exploring the moon. Chief among these goals is the ability to understand the composition of the moon, allowing for a deeper understanding of its origin and its evolution. The spacecraft, carrying an orbiter, lander and a rover, will be launched on a Geosynchronous Satellite Launch Vehicle-MkIII from a launchpad in Sriharikota, as was planned earlier. Under the old schedule, the Lunar Orbit Insertion (LOI) was supposed to have happened on Day 22, but now it will be on Day 30. "The software for the Chandrayaan-2 mission has also been created by our scientists", informed Ravi. But one of the instruments on board, called Moon Impact Probe (MIP) was made to crashland on the lunar surface.

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