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Feeling that Cold Wind? Here's Why Feature Summary

Physics in Your World
Feeling that Cold Wind? Here's Why
This February 13 snow cover analysis confirms what much of the United States experienced this winter: even states that don't often see snow have seen snow. Before you conclude that the Earth is cooling, check out Feeling that Cold Wind? Here's Why.
Image credit: <a href="" target="_blank">NASA</a>; <a href="" target="_blank">image source</a>; <a href="" target="_blank">larger image</a>
Image credit: NASA; image source; larger image
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March 16, 2010 - April 1, 2010