1975: Mariner 10, the first spacecraft to visit two planets, completes its third and final fly-by of Mercury. Mariner 10, the last of the Mariner family, launched on Nov. 3, 1973 from Cape Canaveral, ...

Mariner 10, launched November 3, 1973, performed its second Mercury flyby on September 21, 1974, at an approximate distance of 48,000 kilometers. Mariner 10 was the first spacecraft to visit Mercury ...

NASA’s Mariner 10 became the first space probe to fly by Mercury on March 29, 1974. It was launched on November 3, 1973, approximately two years after Mariner 9 and was the last spacecraft in the ...

Mariner 10's flybys of Mercury in the 1970s provided initial data, revealing aspects of its surface, tenuous exosphere, and magnetic field, but only imaged approximately 45% of the planet's surface.

As it sped away from Venus, NASA’s Mariner 10 spacecraft captured this seemingly peaceful view of a planet the size of Earth, wrapped in a dense, global cloud layer. But, contrary to its serene ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Mariner 10 was the seventh successful launch in the Mariner series and the first spacecraft to use the gravitational ...

The old joke goes that the only thing worse than finding a worm in an apple is finding half a worm. Planetary scientists had a similar feeling on March 29, 1974, when the Mariner 10 space probe flew ...

On Feb. 5, 1974, Mariner 10 took this first close-up photo of Venus. Made using an ultraviolet filter in its imaging system, the photo has been color-enhanced to bring out Venus’s cloudy atmosphere as ...