Messenger to Mercury

NASA's Messenger spacecraft entered orbit around Mercury in 2011 for a one-year mission to this least-explored of the solar system's inner planets. It flew by Mercury three times before settling into orbit, with each encounter reducing its speed. Messenger will map the planet's entire surface, measure the chemical and mineral composition of its rocks and soil, measuring its gravitational and magnetic fields, and conduct other observations.

Resources

Mercury Tiny, cratered Mercury is the closest planet to...

Featured Images

The Messenger spacecraft's final image of the surface of Mercury
The End Thursday, April 30, 2015
Messenger view of the surface of Mercury
Getting Closer Thursday, October 30, 2014
MESSENGER view of crater Degas on Mercury
Painting a Planet Monday, June 17, 2013
Messenger view of Mercury's southern hemisphere
Hard-to-Study Planet Friday, September 2, 2011
Messenger view of the surface of Mercury, June 2011
Hello, Sunshine Saturday, July 2, 2011
MESSENGER's first color image of Mercury, March 29, 2011
First Glimpse Thursday, March 31, 2011
Artist's concept of Messenger orbiting Mercury
Safe Arrival Friday, March 18, 2011
Planetary Tail Tuesday, April 6, 2010

Radio Programs

Venus and Mercury Pointing the way to a little planet Saturday, January 10, 2015
Morning Mercury Getting closer to a little planet Thursday, October 30, 2014
Evening Mercury Shrink-wrapping a small planet Thursday, May 15, 2014
Evening Mercury The wrinkled skin of a small planet Friday, January 31, 2014
Venus and Mercury Artists land on another world Monday, June 17, 2013
Moon and Mercury Peering into a small planet’s big heart Thursday, June 21, 2012
Moon and Mercury Getting to know a hard-to-see planet Saturday, July 2, 2011
Mercury in the Morning A planet with a message Wednesday, May 4, 2011
Messenger at Mercury II Probing a planetary bowling ball Wednesday, March 16, 2011
Messenger at Mercury Clearing up the view of an elusive planet Tuesday, March 15, 2011

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