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Spacecraft Photographs Mars Avalanche

An avalanche on MarsA robotic spacecraft circling Mars has snapped the first image of a series of active avalanches near the planet's north pole, scientists said Monday.

The image, taken last month, reveals at least four avalanches of fine ice and dust breaking off from a steep cliff and settling on the slope below. The cascade kicked up massive debris clouds, with some measuring more than 590 feet across.

It is rare for scientists to catch a natural event in action on the surface of Mars. Most of the landscape that has been recorded so far has not changed much in millions of years.

The avalanches occurred near the north pole and broke part of a 2,300-foot cliff.

Scientists were unsure what set off the avalanches and whether they occur frequently or only during the spring.

Source: Ap
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"Scientists were unsure what set off the avalanches..."

Snowboarders as usual.

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