Smithsonian: Chandra X-ray Observatory 
NASA’s Chandra X-ray Observatory, which was launched and deployed by Space Shuttle Columbia on July 23, 1999, is the most sophisticated X-ray observatory built to date. The mirrors on Chandra are the largest, most precisely shaped and aligned, and smoothest mirrors ever constructed….
spaaaaaAAAAAAAaaaace
I’ve been thinking/talking/reading a lot about space recently.
