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05 February 1974
- In January 1974 Mariner 10 made ultraviolet observations of Comet Kohoutek and another mid-course correction was made on 21 January. The spacecraft passed Venus on 05 February 1974, at a closest range of 5768 km at 17:01 UT and returned the first close-up images of Venus.
nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1973-085A
After midcourse corrections Nov. 13, 1973, and Jan. 21, 1974, Mariner 10 approached Venus for a gravity assist maneuver to send it toward Mercury. On Feb. 5, 1974, the spacecraft began returning images of Venus, the first picture showing the day-night terminator of the planet as a thin bright line.
- 45 Years Ago, Mariner 10 Off to Venus and Mercury - NASA
In just over 500 days, on a journey of more than a billion...
- 45 Years Ago: Mariner 10 flies by Venus - NASA
On Nov. 3, 1973, Mariner 10 lifted off from Cape Canaveral,...
- 45 Years Ago: Mariner 10 First to Explore Mercury - NASA
Mariner 10 lifted off from Cape Canaveral, Florida, on Nov....
- NASA - NSSDCA - Spacecraft - Details
Mariner 10 was the seventh successful launch in the Mariner...
- 45 Years Ago, Mariner 10 Off to Venus and Mercury - NASA
Nov 5, 2018 · In just over 500 days, on a journey of more than a billion kilometers, Mariner 10 visited Venus once and Mercury three times, returning 7,000 photographs and greatly expanding our understanding of both planets.
- John Uri
During its flyby of Venus, Mariner 10 discovered evidence of rotating clouds and a very weak magnetic field. Using a near-ultraviolet filter, it photographed Venus's chevron clouds and performed other atmospheric studies. The spacecraft flew past Mercury three times.
Feb 5, 2019 · On Nov. 3, 1973, Mariner 10 lifted off from Cape Canaveral, Florida, to begin its journey to Venus and Mercury. Shortly after leaving Earth orbit, the spacecraft calibrated its camera system by taking photographs of the Earth and Moon.
Apr 1, 2024 · This mission was for the exploration of the planets Venus and Mercury. Credit: NASA. Mariner 10 launched atop an Atlas-Centaur rocket from Cape Canaveral’s Pad 36B at 12:45 a.m. EST on Nov....
Mar 29, 2019 · Mariner 10 lifted off from Cape Canaveral, Florida, on Nov. 3, 1973, to begin its journey to Venus and Mercury. The spacecraft passed within 3,584 miles of Venus on Feb. 5, 1974, returning more than 4,000 images and contributing significantly to our understanding of the cloud-shrouded planet during its flyby.
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2 days ago · Mariner 10 was the seventh successful launch in the Mariner series and the first spacecraft to visit Mercury. It was also the first spacecraft to use the gravitational pull of one planet (Venus) to reach another (Mercury), and the first spacecraft mission to visit two planets.
