Scientist proposes explanation for puzzling property of night-shining clouds at the edge of space

An explanation for a strange property of noctilucent clouds--thin, wispy clouds hovering at the edge of space at 85 km altitude--has been proposed by an experimental plasma physicist at the California Institute of Technology (Caltech), possibly laying to rest a decades-long mystery.

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<p><a href="http://www.physorg.com/news141568891.html">Scientist proposes explanation for puzzling property of night-shining clouds at the edge of space</a></p> <p>An explanation for a strange property of noctilucent clouds--thin, wispy clouds hovering at the edge of space at 85 km altitude--has been proposed by an experimental plasma physicist at the California Institute of Technology (Caltech), possibly laying to rest a decades-long mystery.</p>