koalabear
~Armed and Fuzzy~
- Joined
- Mar 14, 2001
- Posts
- 101,964
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Incoming galactic cosmic rays produce radioactive carbon-14 in nuclear interactions over a range of 8-15 km, at about the level of the tropopause (which is around 10 km, separating the troposphere and the stratosphere).
The flares are expected to disrupt the region arourd Uranus.
http://www.nosunblock.com/userfiles/image/Submissions/Flip%20Me%20Over.jpg