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Saturday, May 17, 2008 |
Saturday, May 17, 2008 |
Photo: Mysterious "Rain on Snow" Events Tracked in ArcticA strange phenomenon known as a "rain on snow" event, in which warm rain freezes into a solid layer of ice on the ground in winter, killed off a quarter of the region's musk-oxen population in 2003. Scientists are still working to figure out why and when these elusive incidents occur. Photograph by Norbert Rosing/NGS
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