Wednesday 22 August 2018

An 'Indian' confirms ice on the moon
6. An ‘Indian’ confirms ice on the moon
  • Nothing loony about it: Data gathered by India's spacecraft Chandrayaan-1, launched a decade back, has confirmed the presence of frozen water deposits, aka ice, on the Moon's polar regions, according to NASA.
  • Moony staycation: The ice deposits, which are non-contiguous and thought to be extremely old, have raised hopes of their being used as a resource for future expeditions that could not only explore the moon but also plan for a longer stay there.
  • Sighting the site: Unlike the Earth's axis, which has a tilt of 23.5 degrees, the Moon's axis is tilted only slightly, to 1.5 degrees — due to which sunlight never reaches the regions where the water has been found, the shadows of the craters near the poles, where the warmest temperature is minus 156 degrees Celsius.

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