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Chandrayaan-3: ISRO delays plan to revive Vikram, Pragyan; to be revived on THIS date

The Vikram lander also conducted groundbreaking measurements of the near-surface lunar plasma environment over the south polar region.

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The Indian Space Research Organisation (ISRO) has declared to the plans to reactivate the lander Vikram and rover Pragyan on Saturday.

Nilesh Desai, Director of Space Applications Centre said that "Earlier we planned to reactivate the (Pragyan) rover and (Vikram) lander on the evening of 22nd September, but due to some reasons we will now do it tomorrow on September 23."

On August 23, the mission's Vikram lander and Pragyan rover landed on the lunar surface at a location now known as 'Shiv Shakti Point', are set to be reactivated on September 23.

After conducting experiments on the lunar surface successfully earlier this month, the lander and rover were put into sleep mode. On September 2, the rover went into sleep mode, and on September 4, the lander.

Since August 23, ISRO has confirmed the presence of sulphur and other elements like Al, Ca, Fe, Cr, Ti, Mn, Si, and O on the south pole of the Moon. The Vikram lander also conducted measurements of the near-surface lunar plasma environment over the south-polar region.

Isro had initially planned that the rover would travel 300–350 metres. The rover, however, has barely advanced 105 metres thus far for a variety of reasons. Despite this, the project has succeeded in going above and beyond its goals, with the Vikram lander successfully completing a hop test on the moon, an accomplishment for upcoming Moon missions and human exploration.

The batteries, which were fueled by sunshine, had been left charged before the gadgets were placed to sleep, and the solar panels had been positioned to receive light at dawn. If the equipment responds and recharges effectively, the mission's life will be extended, enabling researchers to collect more samples and carry out their examination of the lunar surface.

How will Chandrayaan-2 be 'woken up'?

"Vikram Lander and Pragyan Rover have been in deep sleep for almost two weeks now. It is almost like taking out something from the freezer and then trying to use it. The temperatures would have gone beyond -150 degrees Celsius," ISRO Chairman Madhavan Nair told ANI.

“The solar heat will warm up the instruments and also recharge the batteries. If both these conditions are successfully met, there is a fairly good chance that the system will be operational again."

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