ISRO congratulated all Indians for successful landing of Chandrayaan-3 on the lunar surface. It successfully landed on the moon on 23rd August at 6:04 pm, adhering to the predetermined schedule. Additionally, it positions India as the first nation to land on south pole and fourth nation to achieve a gentle landing on the Moon.
Prime Minister Modi extended his congratulations to both the citizens of India and the dedicated space scientists for this remarkable feat. He emphasized that this day would remain etched in India’s memory indefinitely.
According to experts, the last 15 to 20 minutes of the mission were incredibly important for its success. This is when Chandrayaan-3’s Vikram lander had to land gently on the moon’s surface, and getting this part right was crucial for the mission’s overall achievement. People across India and around the globe joined in prayers for the prosperous landing of Chandrayaan-3.
What made Chandrayaan- 3 successful?
Launched on July 14 from Sriharikota in Andhra Pradesh, the Chandrayaan-3 mission has taken a distinct approach to ensure a successful lunar landing. In contrast to the “success-based design” utilized in Chandrayaan-2, the Indian Space Research Organisation (ISRO) has incorporated a “failure-based design” for Chandrayaan-3. This innovative strategy centers on anticipating potential failure scenarios and devising safeguards against them, ultimately aiming for a flawless landing.
Following its launch, the spacecraft has progressively expanded its orbits around Earth and transitioned to a lunar orbit. Chandrayaan-3 has swiftly become a source of national pride and worldwide intrigue, especially in light of Russia’s recent unsuccessful endeavor to achieve a moon landing at the south pole.
During the intricate landing process, Chandrayaan-3 must convert its horizontal speed of roughly 1.68 kilometers per second into vertical velocity. This transformation involves a mathematical calculation that necessitates turning the spacecraft from a horizontal to a vertical orientation. S. Somanath, the head of ISRO, highlighted that this specific phase posed challenges in the previous Chandrayaan-2 mission.
Diverging from its less fortunate predecessor, the Chandrayaan-3 mission boasts a significant feature: the Propulsion Module houses an essential payload named SHAPE, short for Spectro-polarimetry of HAbitable Planet Earth. This payload is designated to study Earth while orbiting the moon.
ISRO clarified that SHAPE represents an experimental instrument tailored to examine Earth’s spectro-polarimetric characteristics within the near-infrared wavelength spectrum. This payload’s inclusion underscores the mission’s scientific objectives and its potential contributions to enhancing our understanding of Earth and its properties.
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