Massive Sea of Ice Discovered Beneath Mars' Surface
The Sun
US and Canadian geophysicists discovered a huge sea of frozen water hidden beneath the surface of Mars, Sputnik News reports citing to NASA
The study was published in the Geophysical Research Letters journal.
"This deposit probably formed as snowfall accumulating into an ice sheet mixed with dust during a period in Mars history when the planet's axis was more tilted than it is today," the lead author of a report in the journal Geophysical Research Letters Cassie Stuurman said.
The layer consisting of ice (50-80 percent), sand and gases was located at a depth of 1-10 meters (3-33 feet) below the surface in the western plains Utopia Planitia, about halfway from the equator to the North Pole. The frozen water deposit is 80-170 meters (260-560 feet) in thickness. Its volume is 14.3 thousand square kilometers — that is as much water as in Lake Superior, the largest of the Great Lakes.
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