At http://www.physik-highlights.de a model of the http://www.sofia.usra.edu flying observatory: At the booth I was told that the first flight with an open hatch (exposing the 2.5-m scope) is now scheduled for Nov. 14/15 out of Dryden, CA!

At http://www.physik-highlights.de a model of the http://www.sofia.usra.edu flying observatory: At the booth I was told that the first flight with an open hatch (exposing the 2.5-m scope) is now scheduled for Nov. 14/15 out of Dryden, CA!