Tuesday, December 16, 2008

Air Force satellite vindicates Chicken Little: The sky IS falling

When analyzing data from an Air Force satellite, Scientists were surprised to find the earth's upper atmosphere was about 150 miles lower than expected, according to a write up at ScienceDaily.

Researchers expected the boundary between Earth's atmosphere and space to range from 400 miles (at night) to 600 miles (during the day). However, the actual range is 260 to 500 miles. What's going on? Experts suspect it’s the sun's recent inactivity.

The sun is currently at the 11-year trough of it's activity cycle, so a lack of ultraviolet energy may be causing the Earth's atmosphere to shrink.

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Pound360 Archive

About Me

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I started pound360 to channel my obsession with vitamins, running and the five senses. Eventually, I got bored focusing on all that stuff, so I came back from a one month hiatus in May of 2007 (one year after launching Pound360) and broadened my mumblings here to include all science.