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Mariner 10 was the first spacecraft sent to the planet Mercury; the first mission to explore two planets (Mercury and Venus) during a single mission; the first to use a gravity assist to change its flight path; the first to return to its target after an initial encounter; and the first to use the solar wind as a major means of spacecraft orientation during flight.
- 45 Years Ago, Mariner 10 Off to Venus and Mercury - NASA
Planetary scientists had learned a great deal about Venus...
- Mariner Program - NASA Science
The 10 Mariners visited Venus, Mars and Mercury for the...
- 45 Years Ago: Mariner 10 flies by Venus - NASA
Planetary scientists had learned a great deal about Venus...
- 45 Years Ago, Mariner 10 Off to Venus and Mercury - NASA
Nov 5, 2018 · Planetary scientists had learned a great deal about Venus from both Earth-based observations and spacecraft encounters. Two American spacecraft, Mariner 2 in 1962 and Mariner 5 in 1967, studied Venus during their fly-bys and revealed much about the planet’s atmosphere, showing it to be much hotter (527o C) and denser (75-100 atmospheres) than previously expected, and found only a very weak ...
- John Uri
The 10 Mariners visited Venus, Mars and Mercury for the first time, and later returned to Venus and Mars for a closer look. The final mission in the series, Mariner 10, flew past Venus before going on to Mercury for a total of three flybys. Mariner 9 became the first spacecraft to orbit another planet when it reached Mars in 1971.
A unique opportunity presented itself in 1973 to send a spacecraft to visit both Venus and Mercury in a single mission. Using gravity assist, a technique theorized for decades but never used before, under favorable conditions a spacecraft sent to…
Feb 5, 2019 · Planetary scientists had learned a great deal about Venus from both Earth-based observations and previous American and Soviet spacecraft encounters. Mariner 10’s goals at Venus were to add to existing knowledge, and beam back the first ever close-up photographs of the planet to reveal the structure of the upper atmosphere.
Reprocessed Mariner 10 data was used to produce this image of Mercury. The smooth band is an area of which no images were taken. Mariner 10 was an American robotic space probe launched by NASA on 3 November 1973, to fly by the planets Mercury and Venus. It was the first spacecraft to perform flybys of multiple planets. [3]
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Feb 6, 2014 · Mariner 10 flew by Venus 40 years ago to enable the probe to gain enough speed and alter its flight path to eventually become humanity’s first spacecraft to reach the planet Mercury, closest to ...
