Scientists
at Brown University have revealed new evidence suggesting that the Moon
contains a substantial amount of water underneath its surface. Through
satellite data, the researchers studied lunar pyroclastic deposits,
layers of rock that formed from large volcanic eruptions, to reach this
conclusion.
"We observe the water in deposits that are at the surface today, but
these deposits are the result of magma that originally comes from deep
within the lunar interior," said Ralph Milliken, a geologist at Brown University. "Therefore, because the
products of the magma have water, the deep interior of the moon must
also contain water."
The scientists utilized data from the Moon
Mineralogy Mapper instrument aboard India's Chandrayaan-1 probe to
isolate reflected sunlight from the thermal energy emitted by the Moon's
surface.
"Different minerals and compounds will absorb and reflect light in
different ways, so in our case we looked at wavelengths where [the
molecules] H2O and OH absorb light," Milliken said. "We found that there
were larger absorptions, or less reflected sunlight, at these
wavelengths for pyroclastic deposits, which indicates they contain OH or
H2O."
Read more about this fascinating story at: https://www.space.com/37596-moon-interior-could-have-water.html
Photo: Arijit_Roy via Flickr
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Tuesday, July 25, 2017
MOON'S INTERIOR COULD CONTAIN A LOT MORE WATER THAN EXPECTED
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