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Monday, January 17, 2022

First on site evidence of water on Moon

Chang'e 5 Lunar Lander of China has found first ever on site evidence of water on the Surface of Moon.

The Chang'e 5 Spacecraft:- 

The Fifth Lunar Exploration Mission of Chinese Lunar Exploration Program. it has been named after the Chinese moon goddess Chang'e. The Spacecraft was launched on November 23, 2020 from Hainan Island. it collected around 1,731 gram of lunar samples and also returned to the Earth on Dec 16, 2020.

  • Study was Published in the peer reviewed journal Science Advances on January 8, 2022.
  • It revealed that the lunar soil at the landing site comprises of less than 120 grams water per ton or 120 parts per million (ppm) water.
  • It further reveals that a light, vesicular rock carries 180 ppm water.
  • These are much drier as compared to that of Earth.
  • Presence of water on Moon had been confirmed by remote observation earlier. However, lander has detected signs of water in rocks and soil.

Water was detected on the spot for the first time, by a device on board the lunar lander. The device measured the spectral reflectance of regolith and soil. The Spacecraft collected the samples, which are a mixture of granules. it was collected from both on the surface and beneath. 

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