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Huge Underground Ice Deposit on Mars Is Bigger Than New Mexico

Huge Underground Ice Deposit on Mars Is Bigger Than New Mexico

A hulk deposition of buried ice on Mars contains about as many H2O as Lake Superior does here on Earth, a new investigate reports.

The ice layer, that spans a larger area than a state of New Mexico, lies in Mars’ mid-northern latitudes and is lonesome by only 3 feet to 33 feet (1 to 10 meters) of soil. It therefore represents a immeasurable probable apparatus for destiny astronauts exploring a Red Planet, investigate group members said.

“This deposition is substantially some-more permitted than many H2O ice on Mars, since it is during a comparatively low embodiment and it lies in a flat, well-spoken area where alighting a booster would be easier than during some of a other areas with buried ice,” co-author Jack Holt, of a University of Texas, Austin, pronounced in a statement. [Photos: The Search for Water on Mars]

The researchers, led by Cassie Stuurman of a Institute for Geophysics during a University of Texas, analyzed observations of Mars’ Utopia Planitia segment done by a ground-penetrating Shallow Radar (SHARAD) instrument aboard NASA’s Mars Reconnaissance Orbiter. They focused on this area since Utopia Planitia facilities “scalloped depressions” identical to landscapes in a Canadian Arctic that distortion atop buried ice.

Credit: NASA/JPL-Caltech/Univ. of Rome/ASI/PSI

Data collected by SHARAD during 600 MRO passes over Utopia Planitia suggested a deposition between 39 and 49 degrees north latitude. The covering ranges in density from 260 feet to 560 feet (80 to 170 m) and is done adult of 50 to 85 percent H2O ice, researchers said. (The residue is mud and rock.)

That puts a deposit’s H2O volume roughly on a standard with that of Lake Superior, a largest of a Great Lakes, that binds 2,900 cubic miles (12,090 cubic kilometers) of a soppy stuff.

SHARAD is able of specifying between layers of glass and solidified water, and a instrument’s information prove that all of a Utopia Planitia H2O is ice during a moment. That’s bad news for anyone anticipating to find justification of Mars life, since life here on Earth is closely tied to glass water.

Credit: NASA/JPL-Caltech/Univ. of Rome/ASI/PSI

But there might have been some melting in a past, during times when Mars’ poles were slanted during a opposite angle, researchers said. The world has a 25-degree gaunt during a moment, though this axial lean varies to about 50 degrees over a 120,000-year cycle.

Indeed, a ice deposition substantially shaped during a high-tilt era, when sleet amassed during center Martian latitudes rather than during a poles as it does now, Stuurman said. So serve investigate of a Utopia Planitia ice deposition could also strew light on how a Martian meridian has altered over a ages.

“The ice deposits in Utopia Planitia aren’t only an scrutiny resource, they’re also one of a many permitted meridian change annals on Mars,” co-author Joe Levy, also of a University of Texas, pronounced in the same statement.

“We don’t know entirely because ice has built adult in some areas of a Martian aspect and not in others,” Levy added. “Sampling and regulating this ice with a destiny goal could assistance keep astronauts alive, while also assisting them clear a secrets of Martian ice ages.”

The new investigate was published in a biography Geophysical Research Letters.

Follow Mike Wall on Twitter @michaeldwall and Google+. Follow us @Spacedotcom, Facebook or Google+. Originally published on

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