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St. Louis Science Center: Astronomy Fact Of The Day: September 21, 2021
Today in 1974, the Mariner 10 probe made its second flyby of the planet Mercury. Mariner 10 was the first spacecraft sent to study Mercu ...
September 21, 2021
Today in 1974, the Mariner 10 probe made its second flyby of the planet Mercury. Mariner 10 was the first spacecraft sent to study Mercury and the first mission to explore two planets (Mercury and Venus). More information about NASA’s Mariner 10 mission and its findings about Mercury may be found here.
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This press release was produced by St. Louis Science Center. The views expressed here are the author’s own.