sentences:  This experiment yielded information on the petrology of the surface material on the Moon.The rendezvous with Geographos was canceled due to equipment malfunction.The camera consisted of a catadioptric lens which focused on a mechanically cooled (to a temperature of 70 [[Kelvin|K]]) Amber InSb CCD focal-plane array with a bandpass of 1100–2800 nm and a six-position filter wheel.