NASA scientists have discovered shadowy places on the moon in the hollows, where the temperature always stays around 17 degrees.
It is reported by Ukrinform with reference to Phys.org.
For the study, scientists used data from the Lunar Reconnaissance Orbiter (LRO) spacecraft and computer simulations.
In general, the surface of the Moon heats up to 130 degrees during the day and cools down to minus 170 at night.
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The first depressions were discovered in 2009.
“Moon troughs are the most interesting feature of the lunar surface. Knowing that they create a stable thermal environment, we can get an idea of these unique places and the prospects for studying them,” said researcher Noah Peter from NASA’s Greenbelt Space Flight Center.
Two of the most prominent depressions clearly lead into caves.
Exploring a cylindrical depression 100 meters deep and the size of a football field, the scientists used computer simulations to analyze the thermal regime.
The results showed that the temperature in the permanently shaded areas of the depression fluctuated slightly during the lunar day, remaining at around 17 degrees.
A day on the Moon lasts about 15 Earth days, during which the surface is constantly exposed to sunlight and heated to fairly high temperatures. Frosty nights also last about 15 Earth days.
The study of depressions and caves with stable and comfortable temperatures will help simulate the stay of a man on the Moon during future flights.
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As reported, the US space agency NASA will launch two more mini-helicopters to the Red Planet to help return collected samples to the surface of Mars.
Photo: NASA/GSFC/Arizona State University