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See first illuminated photo of the lunar surface taken by Chandrayaan-2



The image also highlights some of the prominent craters on the lunar surface.

New Delhi:

The Indian Space Research Organization has released the first illuminated images of the lunar surface, acquired by the Imaging Infrared Spectrometer payload, aboard Chandrayaan-2, it is around the moon. The image covers "part of the moon's far side in the Northern Hemisphere and covers some prominent boxes," ISRO said in an official release.

According to ISRO, the Imaging Infrared Spectrometer or IIRS is designed to measure reflected sunlight and transmitted portion of moonlight from the lunar surface. The picture shows a diagram indicating the region for reflected solar radiation and the region for reflected and thermal emission component among other details.

Chandrayaan-2s Vikram landers have been lying on the lunar surface since India tried to soften it on the moon last month, but failed. While the space agency continues its efforts to establish contact with the lander, NASA had earlier this month confirmed that Vikram had a "hard landing" and that they had failed to determine its location. NASA had also released images of the targeted landing site.

In an official statement called "Preliminary Analysis of Chandrayaan-2 Imaging Infrared Spectrometer (IIRS) Data", ISRO highlighted the process by which the Imaging Infrared Spectrometer reflects sunlight in different spectral bands.

"It uses a grid to divide and scatter the reflected sunlight (and the emitted component) into different spectral bands. The main purpose of the IIRS is to understand the lunar origin and evolution in a geological context by mapping the moon's surface mineral and volatile composition with using signatures in the reflected solar spectrum, "the statement said.

The image also highlights some of the prominent craters or bowl-shaped depressions that exist, including Sommerfield, Stebbins and Kirkwood. "Preliminary analysis suggests that the IIRS can successfully measure the variations in reflected solar radiation that bounce off the lunar surface from different types of surface types," said ISRO, adding that further detailed analysis that follows is expected to "yield important results on the heterogeneity of the lunar surface composition." [19659004] Månlander Vikram, one of three components of the spaceship Chandrayaan-2, had been scheduled to soft land on the moon at 1.55am on September 6, but stopped transferring 2.1 km from the surface. [19659004] India had expected to make space history with Rs. Chandrayaan-2 mission of 1000 crore by being the first country to land near the southern pole of the Moon.

In a statement to the national broadcaster Doordarshan, ISRO chief K Sivan had blamed the wrong execution of the last stage of the operation for the loss of communication operation.

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