deep buried glaciers spotted on mars
Last Updated : GMT 08:51:31
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Last Updated : GMT 08:51:31
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On the Red Planet

Deep, buried glaciers spotted on Mars

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Egypt Today, egypt today Deep, buried glaciers spotted on Mars

NASA plans to send the first human explorers to Mars by the 2030s.
Miami - Egypt Today

Buried glaciers have been spotted on Mars, offering new hints about how much water may be accessible on the Red Planet and where it is located, researchers said Thursday.

Although ice has long been known to exist on Mars, a better understanding of its depth and location could be vital to future human explorers, said the report in the US journal Science.

Erosion has exposed eight ice sites, some as shallow as a few feet (one meter) below the surface, and going as deep as 100 meters or more, it said.

These underground cliffs appear "to be nearly pure ice," said the report, which is based on data from the Mars Reconnaissance Orbiter, launched in 2005.

"This kind of ice is more widespread than previously thought," said Colin Dundas, a geologist at the US Geological Survey in Flagstaff, Arizona.

The ice contains bands and color variations that suggest it was formed layer by layer, perhaps as snow accumulated over time, leading to ice sheets.

Researchers believe the ice formed relatively recently, because the sites appear smooth on the surface, unpocked by craters that would be formed by celestial debris smashing into the planet over time.

The cliffs are all near the poles, which slip into a frigid darkness during the Martian winter and would not be a suitable site for a long-term human camp.

However, if a sample could be drilled from one of the glaciers, researchers could learn plenty about Mars' climate history and the potential for life on Earth's neighboring planet.

NASA plans to send the first human explorers to Mars by the 2030s.

Source:AFP

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