ISRO on Friday released a set of visuals of the Moon captured by cameras positioned on the Lander Module of Chandrayaan-3 spacecraft.
The images, captured after the separation of the Lander Module from the Propulsion Module of the spacecraft on Thursday, showed the craters on the Moon's surface that were marked on the photographs released by ISRO as 'Fabry', 'Giordano Bruno' and 'Harkhebi J'.
The country's space agency shared on X (formerly Twitter) the images captured by the Lander Position Detection Camera (LPDC) on August 15, and visuals from the Lander Imager (LI) Camera-1 on August 17 -- just after the separation of the Lander Module from the Propulsion Module.
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The Lander Module comprising the lander (Vikram) and the rover (Pragyan) will on Friday be lowered to an orbit that takes it closer to the Moon's surface for the soft landing on the Lunar south pole on August 23.?
After this, the lander is expected to undergo a "deboost" (the process of slowing down) and make a soft landing on the south polar region of the Moon on August 23.??
Last week, ISRO Chairman S Somnath had said the most critical part of the landing is the process of bringing the velocity of the lander from 30 km height to the final landing, and that the ability to transfer the spacecraft from horizontal to vertical direction is the "trick we have to play" here.??
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He said, "the velocity at the starting of the landing process is almost 1.68 km per second, but this speed is horizontal to the surface of the moon. The Chandrayaan 3 here is tilted almost 90 degrees, it has to become vertical. So this whole process of turning from horizontal to vertical is a very interesting calculation mathematically. We have done a lot of simulations. It is here where we had the problem last time (Chandrayaan 2)."
Further , it has to be ensured that fuel consumption is less, the distance calculation is correct, and all the algorithms are working properly.
"Extensive simulations have gone, guidance design have been changed, and a lot of algorithms have been put in place to make sure that in all these phases required dispersions are handled....to attempt to make a proper landing," he said.
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