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St. Louis Science Center: Astronomy Fact Of The Day: August 3, 2021
In 2004 on this date, the Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) probe was launched, becoming the firs ...
August 03, 2021
In 2004 on this date, the Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) probe was launched, becoming the first spacecraft to orbit Mercury. Its primary goal was to study the geology, magnetic field, and chemical composition of the planet.
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This press release was produced by St. Louis Science Center. The views expressed here are the author’s own.