Deep Impact camera flaw traced to earthly mirror
Space camera flaw traced to earthly mirror
Sources say test threw Deep Impact imager off kilter
http://www.msnbc.msn.com/id/8247741/
By James Oberg, NBC News space analyst // Special to MSNBC
Updated: 6:50 p.m. ET June 16, 2005
The optical flaw that blurred the vision of NASA’s comet-smashing Deep Impact probe has been tentatively diagnosed as the result of overlooking a simple law of physics, sources familiar with the investigation have told MSNBC.com.