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Nasa Radar Finds Ice Age Record in Mars' Polar Cap

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Mars polar cap simulation

Climatic cycles of ice and dust build the Martian polar caps, season by season, year by year, and periodically whittle down their size when the climate changes. This image is a simulated 3-D perspective view, created from image data taken by the THEMIS instrument on NASA's Mars Odyssey spacecraft.

Credit: NASA/JPL/Arizona State University, R. Luk

Scientists using radar data from NASA's Mars Reconnaissance Orbiter (MRO) have found a record of the most recent Martian ice age recorded in the planet's north polar ice cap.

From Jet Propulsion Laboratory/NASA
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