BENGALURU: In a significant achievement, the Pragyan rover of the Chandrayaan-3 mission has successfully traversed more than 100 meters on the lunar surface. The rover’s instruments are continuing to send valuable data back to Earth.
The Indian Space Research Organisation (ISRO) announced the milestone just moments after declaring the Aditya-L1 mission a success. ISRO stated, “Pragyan 100! Meanwhile, over the Moon, Pragan rover has traversed over 100 metres and is continuing.”
Although the rover operations are not fully autonomous, they have been successful in overcoming several challenges. Each time the rover moves, commands need to be sent from Earth. To plan the rover’s path, the onboard navigation camera data is downloaded to the ground for the generation of a digital elevation model (DEM). The ground and mechanisms team then analyze the DEM and decide which path the rover should take. The command is then sent to the rover to follow the chosen path.
However, there is a limitation to the distance the rover can cover with each movement. The maximum DEM that can be generated at a time is only for 5 meters. This means that whenever the navigation camera sends images and the rover is commanded to move, it can cover a maximum distance of 5 meters. Additionally, there are obstacles along the way that the rover must navigate. So far, Pragyan has safely maneuvered around a small crater with a depth of 10cm (100mm) and has avoided a larger crater with a diameter of 4 meters to choose a safer path. As of Saturday, ISRO has successfully completed multiple rover movements.
In conclusion, the Pragyan rover of the Chandrayaan-3 mission has achieved a significant milestone by traversing more than 100 meters on the lunar surface. The rover’s operations require careful planning and analysis of the onboard navigation camera data. Despite challenges and limitations, the rover has successfully overcome obstacles and continues to send valuable data back to Earth.
Summary:
★Pragyan rover of the Chandrayaan-3 mission has traversed over 100 meters on the lunar surface.
★The rover’s instruments are continuing to send data back to Earth.
★Rover operations require commands to be sent from Earth.
★Onboard navigation camera data is used to generate a digital elevation model (DEM) for path planning.
★The maximum distance the rover can cover with each movement is 5 meters.
★The rover has successfully navigated obstacles and completed multiple movements.
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