The mariner spacecraft explored Mercury, Mars, and Venus. The first successful space probe and first spacecraft visit to a planet was Mariner 2.
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the first spacecraft to explore mars is the mariner 4
The first spacecraft to send back data and images from other planets were the Mariner missions in the 1960s and 1970s. Mariner 4 was the first to capture close-up images of Mars in 1965, followed by Mariner 9 orbiting Mars in 1971.
Mariner 4, the first spacecraft to successfully fly by Mars, had a total mission cost of approximately $80 million, which included both the spacecraft development and mission operations. Launched on November 28, 1964, it provided groundbreaking images of the Martian surface, marking a significant milestone in space exploration. The mission was part of NASA's Mariner program, which aimed to explore the planets in our solar system.
The mariner program was a series of launches by NASA in the 60's and 70's which took space probes to mercury, Venus and mars. These bought detailed pictures of the inner planets back to earth for the first time.
I believe it was part of the Mariner series of satellites
The Mariner spacecraft were unmanned at launch.
Mariner 4
The Mariner 2 spacecraft inspected Venus in late 1962.
Mariner 9
The Mariner spacecraft landed on the planet Mars, and the Apollo spacecraft landed on the moon.
Mariner 10