Food for thought: Shuttle laments

taken at the Smithsonian Air & Space Museums Steven F. Udvar Hazy Center

"Many lament the shuttle era's end. But that's misplaced sentiment. Lament instead the absence of an era to replace it."

~tweeted by astrophysicist Neil deGrasse Tyson on July 8, 2011, awaiting for the last launch of the Space Shuttle (hat tip @csalafia)