Glow Away: NASA Lights Up the East Coast Sky with a Noctilucent Cloud
Tuesday, September 22, 2009 - 17:07
in Astronomy & Space
Clouds come in countless shapes, from fluffy cotton candy to wispy lines that streak across the sky, but they are all formed from one simple ingredient--water vapor. In an experiment conducted September 19, scientists created the first artificial high-atmosphere noctilucent cloud . But rather than water , the cloud formed from dust particles spewed out of a rocket. [More] ...