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(The spacecraft's highgain antenna, used during the Mars fly-by last July 14, is no longer pointing at the Earth.) Mariner IV and the Deep Space Network have broken, set and re-broken all existing space communications records.
- Jet Propulsion Laboratory
Mariner 4 (together with Mariner 3 known as Mariner-Mars 1964) was the fourth in a series of spacecraft intended for planetary exploration in a flyby mode. It was designed to conduct closeup scientific observations of Mars and to transmit these observations to Earth .
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Launch Date: 1973-07-21 Launch Vehicle: Proton Booster Plus Upper Stage and Escape Stages Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R Mass:2270 kg
Jul 14, 2017 · The Mariner 4 mission was the seventh attempt to send a spacecraft to Mars. Between 1960 and 1964 the Soviet Union tried and failed five times. NASA launched Mariner 3, also intended for...
One of the great successes of the early American space program, the Mariner 4 mission journeyed to Mars -- making its closest approach on July 15, 1965 -- and took the first photos of another planet from space.
Mars 4, 5, 6, and 7 comprised an associated group of Soviet spacecraft launched towards Mars in July and August of 1973. The Mars 5 automatic station was designed to orbit Mars and return information on the composition, structure, and properties of the martian atmosphere and surface.
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Jul 14, 2020 · During the eight-month cruise phase to Mars, the spacecraft took measurements on the conditions of interplanetary space and relayed the data to Earth. On July 14, 1965, Mariner 4 passed within 6,118 miles of Mars, snapping 22 photographs of the planet and taking scientific measurements.
