Practice makes perfect with Webb telescope mirror placement
Tuesday, March 19, 2013 - 16:31
in Astronomy & Space
(Phys.org) —NASA engineers and scientists have been making practice runs to ensure the placement of primary mirror segments on the James Webb Space Telescope go perfectly when the flight equipment is ready. NASA issued a video and photos showing the practice run in the giant clean room at NASA's Goddard Space Flight Center in Greenbelt, Md.