Noctilucent clouds are crystals of ice hanging around 80 kilometres high in the atmosphere that catch the light of the sun long after it has set on the horizon. Natural nacreous clouds occur at altitudes of 20-25 kilometres. The cloud in this image was formed from the exhaust of a missile launched from a distant firing range.
KÖPPEN Maelstrom 2 Person Tent - Dick's Sporting Goods @Danette Deremo I'm getting this for when Mike and I go camping. It's also good for backpacking because its lightweight so it won't add too much additional weight to your gear.