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Chandrayaan 3 mission
August 24 , 2023
331 days
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- The Chandrayaan 3 mission launched on July 14 onboard Launch Vehicle Mark III.
- It took 41 days to touch down on the moon's surface.
- The successful moon mission has made India the fourth country to achieve a soft landing on the lunar surface after the US, China, and the erstwhile Soviet Union.
- India also became the first country to land on the moon's south pole.
- The 'Pragyaan' rover has been deployed on the south pole.
- It will be used by ISRO, over the next 14 days to explore the composition of lunar soil and rocks.
- The south pole is expected to have ice deposits and minerals.
15 Minutes of Terror
- The critical landing sequence for Chandrayaan-3, commenced at approximately 5:45 pm and spans 15 minutes, aptly dubbed "15 minutes of terror".
- Throughout this period, the spacecraft operates autonomously, rendering engineers and scientists’ mere spectators.
- Everything hinges on the onboard computers of the Vikram Lander.
- This manoeuvre involved transitioning the craft from a high-speed horizontal orientation to a gradual vertical descent, facilitating a gentle touchdown on the lunar surface.
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