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RT | Estaos Unidos.- NASA's Mars Reconnaissance Orbiter spacecraft photographed May 13 as its particular "spiders" began appearing on the surface of Mars. An image taken at the South Pole during Martian winter shows the red planet covered with a layer of carbon dioxide ice.
With the heat of the Sun and the arrival of spring, mounds appear on the surface of Mars. they look like these arthropods and form after the warming and release of this "trapped" CO2, says NASA.
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