The Polar Jet Stream (IMAGE)
Caption
Meandering around the planet like a rollicking roller coaster in the sky, the Northern Hemisphere's polar jet stream is a fast-moving belt of westerly winds that traverses the lower layers of the atmosphere.
Credit
NASA/Goddard Space Flight Center Scientific Visualization Studio.
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News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only.
License
Original content