http://www.huliq.com/tags/noctilucent-clouds The taxonomy view with a depth of 0. en http://www.huliq.com/11/69326/puzzling-property-night-shining-clouds-edge-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. http://www.huliq.com/11/69326/puzzling-property-night-shining-clouds-edge-space#comments Science Noctilucent clouds Fri, 26 Sep 2008 07:18:17 -0500 harminka 69326 at http://www.huliq.com http://www.huliq.com/18102/university-of-colorado-instruments-to-launch-on-nasa-cloud-mission-april-25 International research team to study spectacular 'night-shining' clouds thought by some to a harbinger of<strong> global environmental change</strong> http://www.huliq.com/18102/university-of-colorado-instruments-to-launch-on-nasa-cloud-mission-april-25#comments Science Earth&#039;s polar regions Global environmental change Noctilucent clouds silvery-blue clouds Wed, 11 Apr 2007 00:28:45 -0500 harminka 18102 at http://www.huliq.com http://www.huliq.com/7593/solar-proton-events-may-affect-cloud-formation-in-mesosphere http://www.huliq.com/7593/solar-proton-events-may-affect-cloud-formation-in-mesosphere#comments Science hemisphere mesosphere Noctilucent clouds Solar protons Tue, 23 Jan 2007 10:12:49 -0600 harminka 7593 at http://www.huliq.com