Giant Hole on Mars Leaves NASA Scientists Confused

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From uk.news.yahoo.com – June 10, 2017 – SilentCircle – Uncategorized – Comments Off

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“Swiss cheese”-like terrain and a pit of unknown origins on Mars in an image taken by NASA’s Mars Reconnaissance Orbiter NASA/JPL-Caltech/University of Arizona

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Much of the Martian surface appears pock-marked. At the southern polar region, frozen carbon dioxide converted into its gaseous state under the Martian summer sun creates a Swiss cheese landscape. Astronomers have had images showing this pattern for about 10 years.

But in a new, late-summer image of the planet’s southern hemisphere, a deeper-than-normal hole stands out. The feature is hundreds of yards wide and unlike anything in its surroundings. The summer sun shining on the planet reveals a reflecting gleam of ice at the bottom of the hole. And NASA scientists can’t explain where this giant hole came from.

The image was taken with an instrument called the high-resolution imaging science experiment, or HiRISE, one of six instruments included with MRO. The camera works with visible wavelengths, just like human eyes, but with a telescopic lens that generates images at a resolution higher than any previous NASA mission has achieved. HiRISE can reveal objects as small as three feet in size with an unprecedented level of detail. The camera also uses near-infrared wavelengths that enable researchers to make mineral observations. Layers materials, gullies and channels can all be detected.

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As of now, it is unclear whether the pit is a dent from something hitting the surface or a collapse. Meteorites, lava tubes and floods are all capable of creating a cratered surface, but this particular hole is still a mystery. […]

Read more at: https://uk.news.yahoo.com/giant-hole-mars-leaves-nasa-163725288.html


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