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| Aurora Borealis - Northern Lights - http://www.aurora-borealis.us/ The Aurora Borealis is an awesome display of shimmering, colored light bands in the sky. Learn how the Northern Lights appear at northern latitudes, and why different colors appear. |
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| Barometers - http://www.barometers.us/ A barometer is used to measure the atmospheric pressure, and this data is then used to forecast the weather. Learn how barometers were invented, and read about the different types of barometers used by meteorologists. |
