9 sept. 2015

Most Mysterious Thing So Far Found on Mars

The Mars Curiosity rover has taken a picture of a rock formation that looks for all the world like a spoon that is floating above the ground.

NASA has identified the spoon-like object as a ventifact, which is a rock that has been shaped by the wind, slowly sandblasted over time into its present shape, and held in place on its parent rock formation at the end of it's handle. Mars's lower gravity, approximately one-third that of Earth's, has also probably helped prevent the spoon's snapping off under it's own weight. There are a number of other ventifacts present in the picture as well, but none quite as dramatic as the levitating Martian utensil.

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via unknowncountry http://ift.tt/11SbyTl

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