Chandrayaan-3 Data shows 60°C temp difference on Moon, potential for subsurface habitats
Based on data from the ChaSTE payload on the Chandrayaan-3 lander, an yet-to-published research found an enormous temperature difference of approximately 60 degrees Celsius between the lunar surface and barely 10 centimeters within it. According to a senior scientist of the Indian Space and Research Organization (Isro), the extreme heat non-conductivity of the lunar surface may make it possible to build temperature-controlled dwellings beneath it.
Researchers are examining whether long-term habitation on Earth's satellite is feasible as well as whether the moon can function as a base for deep space travel.
The lander of the Chandra's Surface Thermophysical Experiment (ChaSTE) was equipped with a thermometer that was inserted 10 cm into the lunar regolith, which is composed of mineral pieces, rock chips, and lunar soil. Ten sensors, spaced one centimeter apart, were used by the device to measure the temperature in this layer at various points.
Ten sensors are mounted on it to record the temperature over a ten-day period at various depths. As the sun moved across the area, we could see how the temperature varied at different depths, the Isro scientist stated.
The Chandrayaan-3 mission was designed to allow all of the experiments to run for almost the whole time; one lunar day is equal to fourteen Earth days.
A live thermal conductivity test was conducted ten days later. "A heater was positioned at a depth of roughly 8 cm on the eighth sensor. After 10 days, we switched on the heater to observe how the regolith absorbed the heat. The sensors recorded the drop in temperature after the heater was turned on for four hours and then turned off. The scientist stated, "That gave us the first information about the actual thermal conductivity of the moon," and that the report would be published shortly.
The experiment demonstrated that the moon's surface was entirely non-conductive, according to the experts. "I can utilize it as a heat blanket for a human habitat if it is non-conducting. The scientist compared it to using a blanket on cold winter evenings. "Any heat generated inside will remain trapped, even though the outside temperature may be low," the scientist added. The stark temperature difference, which can range from 121 degrees Celsius during the day to -133 degrees Celsius at night, is one of the difficulties faced by lunar missions. Temperatures as low as -246 degrees Celsius have also been recorded in deep craters.
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Assam to lift all cases against Koch Rajbongshis in Foreigners' Tribunals: CM Himanta Biswa Sarma
Guwahati, Apr 4 (PTI): The Assam cabinet has decided to lift all cases pending against people from the Koch Rajbongshi community in the Foreigners' Tribunals, Chief Minister Himanta Biswa Sarma said on Friday.
They will also no longer carry the tag of 'D' or doubtful voters, he said.
''There are 28,000 cases pending in different Foreigners' Tribunals in the state against people of the community. The cabinet has taken a historic decision of lifting the cases with immediate effect,'' Sarma said at a press conference here after the cabinet meeting.
The government believes that the Koch Rajbongshis are an indigenous community of the state and they are an inextricable part of ''our social and cultural fabric'', he asserted.
The people of this community are poor and have suffered a lot over the years, he said.
''They will no longer carry the tag of foreigners or ‘D’ voters,'' the CM said.
Foreigners Tribunals are quasi-judicial bodies, particularly in Assam, established to determine if a person residing in India is a "foreigner" as defined by the Foreigners Act of 1946, based on the Foreigners (Tribunals) Order of 1964.
These tribunals are designed to address matters related to citizenship and the presence of “foreigners” in India, specifically focusing on cases where someone is suspected of being an illegal immigrant.
There are 100 Foreigners’ Tribunals across Assam.
The Koch Rajbongshis have a sizeable presence in Assam, West Bengal, Meghalaya, and parts of Bangladesh, Nepal, and Bhutan, and they demand Scheduled Tribe status.
