Sunday, 25 February, 2018

Multiple sites rich in water ice found on Mars

An aerial view of an ice deposit discovered on Mars marked in blue Huge ice sheets on Mars could allow humans to live on the Red Planet, Nasa spacecraft shows
Frank Williams | 15 January, 2018, 04:01

This knowledge is also important in the search for potential signs of life. Some of them begin just one to two meters below the Martian surface of the rocks and dust and reach a depth of at least 100 meters.

Researchers previously believed that Martian surface might have absorbed water on the Red Planet.

While it has always been known that Mars contains ice - as much as a third of the Martian surface is thought to contain shallow ice - the ice cliff discovery could shed more light on the history of the red planet.

The ice deposits likely originated as snowfall during Mars' high-obliquity periods and have now compacted into massive, fractured, and layered ice.

The ice was likely deposited as snow long ago.

Scientists, using a National Aeronautics and Space Administration (Nasa) spacecraft, have discovered thick deposits of ice beneath the surface of Mars.

No More Adoption of Children by Foreigners, Ethiopian Parliament rules!
Three years after joining the family, the girl showed signs of long-term starvation and physical abuse. Accusations of worldwide adoption misconduct have come from the outside as well.

Scientists have no yet determined how these sites have formed.

Scientists have unearthed thick and massive deposits of ice in some regions on Mars.

It extending downward from depths as shallow as 1 to 2 meters below the surface, which could preserve a record of Mars' past climate, the researchers noted in the journal Science.

"We've found a new window into the ice for study, which we hope will be of interest to those interested in all aspects of ice on Mars and its history", said Colin Dundas, a researcher at the US Geological Survey and the lead author of a paper outlining the findings, published today in Science. They also may make frozen water more accessible than previously thought to future robotic or human exploration missions.

Thick deposits cover broad regions of the Martian mid-latitudes with a smooth mantle; erosion in these regions creates scarps that expose the internal structure of the mantle.

These points are located in mid-latitudes, about 55 to 58 degrees north and south of the Martian Equator (the equivalent of Scotland's position or South America's "nose" on Earth), ie in areas with easy access, far from the more inaccessible poles, where there is also plenty of water in the form of ice. It is estimated that nearly one-third of the surface of Mars has ice just below its surface.

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