1975 in spaceflight

NASA mission which sent an orbiter and lander to Mars

American astronaut (1930–2024)

NASA mission which sent an orbiter and lander to Mars

American astronaut (1924–1993)

1975 Soviet uncrewed space mission to Venus

American launch vehicle

space probe

test pilot and NASA astronaut

COS-B (Celestial Observation Satellite B) was the first European Space Research Organisation (ESRO) mission to study cosmic gamma ray sources. COS-B was first put forward by the European scientific community in the mid-1960s and approved by the ESRO council in 1969. The mission consisted of a satellite containing gamma-ray detectors, which was launched by NASA on behalf of the ESRO on 9 August 1975. The mission was completed on 25 April 1982, after the satellite had been operational for more than 6.5 years, four years longer than planned and had increased the amount of data on gamma rays by a

NASA space observatory

soviet space probe

Bion satellite

overview of spaceflight-related events during the year of 1975

Soviet satellite

Soviet radar calibration target satellite

artificial Soviet satellite

Soviet satellite launched in 1975

Soviet satellite

Russian military early warning satellite