A series of NASA probes which soft-landed on the Moon, acting as pathfinders for the Apollo manned landings. All the probes carried TV cameras; in addition, Surveyors 3 and 7 had mechanical scoops to test the strength of the soil, and Surveyors 5, 6, and 7 carried equipment to analyse the surface composition.
Successful Surveyor Probesa
1966 May 30
Landed June 2 in Oceanus Procellarum
1967 April 17
Landed April 20 in Oceanus Procellarum
1967 September 8
Landed September 11 in Mare Tranquillitatis
1967 November 7
Landed November 10 in Sinus Medii
1968 January 7
Landed January 10 near crater Tycho
a Surveyor 2 crash-landed; radio contact with Surveyor 4 was lost shortly before it landed.
Subjects: Astronomy and Astrophysics.