Editor’s note: Yesterday, the opening date for the STS-121 launch window was adjusted from 9 September until 22 September resulting in a 4 day window launch instead of one which was originally three weeks long.

Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member 🖖🏻