Test mirror segments for the James Webb Space Telescope by europeanspaceagency (via http://flic.kr/p/xtq2P8 )
Test mirror segments for the James Webb Space Telescope by europeanspaceagency (via http://flic.kr/p/xtq2P8 )
Test mirror segments for the James Webb Space Telescope by europeanspaceagency (via http://flic.kr/p/xtq2P8 )