link between NLC's and shuttle launch

[janlameer]

Hi, this article suggests a link between NLC's (or PSC's) and the launch of the Columbia:
http://www.newscientistspace.com/article.ns?id=dn7643

[janlameer]

sorry, I meant PMC's (Polar Mesosphere Clouds), not PSC"s (Polar Stratosphere Clouds = Mother of Pearl clouds)