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NEW DISCOVERY ON MOON: First Scientific Data Sent By Chandrayaan-3 From Moon's South Pole. The thermal probe of the Vikram lander recorded how temperature varies at surface, near surface and deeper on the lunar surface. The Indian space agency has obtained the first ever scientific data from the Moon's unexplored South Polar region, marking a major success of its Chandrayaan-3 mission. The thermal probe of the Vikram lander recorded how temperature varies at surface, near surface and deeper on the lunar surface. ChaSTE (Chandra's Surface Thermophysical Experiment) measures the temperature profile of the lunar topsoil around the pole, to understand the thermal behaviour of the moon's surface, said the Indian Space Research Organisation (ISRO). ChaSTE, a key instrument mounted on the Vikram Lander, is equipped with 10 high-precision thermal sensors, which will dig into the moon's top soil to study temperature variations. It is the first-ever experiment to study the thermophysical properties of the first 10 cm of the lunar surface. The Moon's surface undergoes substantial temperature variations during the lunar day and night. The minimum temperatures dip below 100 degrees Celsius around lunar midnight while the maximum go beyond 100 degrees around noon. The porous lunar topsoil, about 5-20 metres thick, is expected to be an excellent insulator, due to which and the absence of air, very significant temperature difference is expected between the top surface and interior of the regolith. #Chandrayaan3 #VikramLander #Pragyan
