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NASA Lunar missions discover widespread water across Moon's surface

The Presence Of Water Doesn't Appear To Depend On The Composition Of The Surface, And The Water Sticks Around, Bandfield Said.

News Nation Bureau | Edited By : Nabanita Chakorborty | Updated on: 24 Feb 2018, 11:41:00 PM
NASA's Lunar missions discover widespread water on surface of Moon (Representative Image)

New Delhi:

It's been a quite long now that scientists across the world are trying to dig out informations regarding icy waters, available on the Moon's surface.

Meanwhile, two new lunar missions, led by American space agency NASA have found more evidences about the same.

The new analysis of data from India's Chandrayaan-1 mission and NASA's Lunar Reconnaissance Orbiter reveals that the lunar water is widely distributed on the Moon's surface and not just confined in a particular terrain.

However, this lunar water is not accessible easily though it appears to be present day and night.

"We find that it doesn't matter what time of day or which latitude we look at, the signal indicating water always seems to be present," said Joshua Bandfield, a senior research scientist with the Space Science Institute in the US, and lead author of the new study.

"The presence of water doesn't appear to depend on the composition of the surface, and the water sticks around," Bandfield added.

Meanwhile, the new study, appeared in the journal Nature Geoscience contradicts some earlier studies, which had suggested that more water was detected at the Moon's polar latitudes and that the strength of the water signal waxes and wanes according to the lunar day (29.5 Earth days).

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The findings could help researchers understand the origin of the Moon's water and how easy it would be to use as a resource.

If the Moon has enough water, and if it is reasonably convenient to access, future explorers might be able to use it as drinking water or to convert it into hydrogen and oxygen for rocket fuel or oxygen to breathe.

The new finding of widespread water suggests that it may be present primarily as OH, a more reactive relative of H2O that is made of one oxygen atom and one hydrogen atom.

OH, also called hydroxyl, does not stay on its own for long, preferring to attack molecules or attach itself chemically to them. Hydroxyl would therefore have to be extracted from minerals in order to be used.

For the study, the researchers analysed data from the Moon Mineralogy Mapper spectrometer onboard the Chandrayaan-1 spacecraft.

They came up with a new way to incorporate important temperature information, creating a detailed model from measurements made by the Diviner instrument on NASA's Lunar Reconnaissance Orbiter, or LRO.

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The researchers are still discussing what the findings tell them about the source of the Moon's water.

The results point toward OH and/or H2O being created by the solar wind hitting the lunar surface, though the team did not rule out that OH and/or H2O could come from the Moon itself, slowly released from deep inside minerals where it has been locked since the Moon was formed.

(With inputs from IANS)

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First Published : 24 Feb 2018, 06:39:14 PM