Chandrayaan-3 Rover India's ISRO First to Explore MOON'S South Pole #space #planets #nasa

भारत चंद्रमा के दक्षिणी ध्रुव पर पहुंचने वाला पहला देश बन गया!

और चंद्रमा पर सुरक्षित पहुंचने वाला चौथा देश है।

चंद्रयान-3 में विक्रम नाम का एक लैंडर और प्रज्ञान नाम का एक रोवर शामिल है

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मून रोवर की लागत होगी
कम से कम पाँच गुना अधिक

और तब तक लैंडिंग नहीं कर रहा है
अगले साल के अंत में
(सबसे अच्छे रूप में)

बधाई हो भारत!

The lunar South Pole region holds particular interest for scientific exploration due to studies that show large amounts of ice there. Mountainous terrain and unpredictable lighting conditions not only protect the ice from melting, but also make landing scientific probes there a challenging undertaking. This ice could contain solid-state compounds that would normally melt under warmer conditions elsewhere on the Moon, compounds which could provide insight into lunar, Earth, and Solar System history. Ice could also be used as a source of drinking water and hydrogen for fuel and oxygen for future manned missions and outposts.[16][17]

The European Space Tracking network (ESTRACK), operated by the European Space Agency (ESA), is supporting the mission. Under a new cross-support arrangement, ESA tracking support could be provided for upcoming ISRO missions such as those of India's first human spaceflight programme, Gaganyaan, and the Aditya-L1 solar research mission. In return, future ESA missions will receive similar support from ISRO's own tracking stations.

Chandrayaan-3

Lander
The Vikram lander is responsible for the soft landing on the Moon. It is also box-shaped, with four landing legs and four landing thrusters capable of producing 800 newtons of thrust each. It carries the rover and various scientific instruments to perform on-site analysis.[20][21]
The lander for Chandrayaan-3 has four variable-thrust engines with slew rate changing capabilities, unlike Chandrayaan-2's lander, which had five, with the fifth one being centrally mounted and capable only of fixed thrust. One of the main reasons for Chandrayaan-2's landing failure was attitude increase during the camera coasting phase. This was removed by allowing the lander to control attitude and thrust during all phases of descent. Attitude correction rate is increased from Chandrayaan-2's 10°/s to 25°/s with Chandrayaan-3. Additionally, the Chandrayaan-3 lander is equipped with a Laser Doppler Velocimeter (LDV) to allow measuring attitude in 3 directions.[22][23] The impact legs have been made stronger compared to Chandrayaan-2 and instrumentation redundancy has been improved. It will target a more precise 4 km (2.5 mi) by 4 km (2.5 mi) landing region based on images previously provided by the Orbiter High-Resolution Camera (OHRC) onboard Chandrayaan-2's orbiter. ISRO improved the structural rigidity, increased polling in instruments, increased data frequency and transmission, and added additional multiple contingency systems to improve lander survivability in the event of failures during descent and landing.[24][23]

Rover
The Pragyan rover is a six-wheeled vehicle with a mass of 26 kilograms (57 pounds). It is 917 millimetres (3.009 ft) x 750 millimetres (2.46 ft) x 397 millimetres (1.302 ft) in size.[25]
The rover is expected to take multiple measurements to support research into the composition of the lunar surface, the presence of water ice in the lunar soil, the history of lunar impacts, and the evolution of the Moon's atmosphere.

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