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Pioneer 6, 7, 8, and 9 were space probes in the Pioneer program, launched between 1965 and 1969.They were a series of solar-orbiting, spin-stabilized, solar cell- and battery-powered satellites designed to obtain measurements on a continuing basis of interplanetary phenomena from widely separated points in space. [5]
The Pioneer programs were two series of United States lunar and planetary space probes exploration. The first program, which ran from 1958 to 1960, unsuccessfully attempted to send spacecraft to orbit the Moon, successfully sent one spacecraft to fly by the Moon, and successfully sent one spacecraft to investigate interplanetary space between the orbits of Earth and Venus.
Space exploration is the use of astronomy and space technology to explore outer space. [1] ... Pioneer 6 was the first satellite to orbit the Sun, ...
Several space probes and the upper stages of their launch vehicles are leaving the Solar System, all of which were launched by NASA. Three of the probes, Voyager 1, Voyager 2, and New Horizons, are still functioning and are regularly contacted by radio communication, while Pioneer 10 and Pioneer 11 are now derelict.
Pioneer 6(A) NASA: December 1965 – still contactable in 2000 orbiter success network of solar-orbiting "space weather" monitors, observing solar wind, cosmic rays, and magnetic fields 1965-105A: Pioneer 7(B) NASA: August 1966 – still contactable in 1995 orbiter success 1966-075A: Pioneer 8(C) NASA: December 1967 – still contactable in ...
Pioneer program; Pioneer 6, 7, 8, and 9, launched between December 1965 and November 1968, ... Space exploration; Timeline of Solar System exploration;
Pioneer 5: 19 August 1960: First plants and animals to return alive from Earth orbit. USSR Sputnik 5: 25 September 1960 First rocket engine fired in space. USA (NASA) Pioneer P-30 [10] 31 January 1961: First hominidae in space (chimpanzee Ham). First tasks performed in space. USA (NASA) M-R 2: 12 February 1961
The Pioneer program was a series of NASA uncrewed space missions designed for planetary exploration. There were a number of missions in the program, most notably Pioneer 10 and Pioneer 11, which explored the outer planets and left the Solar System.