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7/24/2008 NASA's THEMIS Satellites Discover What Triggers Eruptions of the Northern Lights Researchers have discovered that an explosion of magnetic energy a third of the way to the moon powers substorms, sudden brightenings and rapid movements of the aurora borealis, called the Northern Lights. More
7/15/2008 Unmanned Aircraft to Get Bird’s Eye View of Shrinking Greenland Ice Sheet Two low-flying unmanned aircraft are cruising over Greenland this month to observe the melting of the Greenland Ice Sheet and its contribution to global sea level rise. The flights will determine if the ice sheet will melt faster in the future. More
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7/17/2008 House Subcommittee on Coast Guard and Maritime Transportation's Hearing on U.S. Coast Guard Icebreaking The hearing focussed on defining domestic and polar icebreaking missions; determining what resources are needed to accomplish the missions; and determining how to best provide those resources. Video of the hearing is posted. More
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