St. Louis Science Center: Astronomy Fact Of The Day: September 21, 2021

St. Louis MO

21 September, 2021

10:30 AM

Description

Press release from St. Louis Science Center: 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. This press release was produced by St. Louis Science Center. The views expressed here are the author's own.