Messenger flyby of Mercury

Artist's concept of Messenger at Mercury.
Artist's concept of Messenger at Mercury.Courtesy NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
Yesterday at 1:04 p.m. Central Time the Messenger spacecraft passed within 124 miles of Mercury – the first of three gravity assist flybys used to get the spacecraft into orbit around the planet in 2011.

Messenger, launched in 2004, took more than 1,200 images of the planet (including images of the never before seen opposite side of the planet) during this flyby. It is the first spacecraft to visit Mercury since the Mariner 10 in 1975. The data should be arriving back to Earth as I write this on Tuesday.

Follow the links to learn more about the planet, spacecraft and mission.

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