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PSI Researchers Look Back at Mercury MESSENGER Accomplishments

As NASA’s MESSENGER spacecraft ended its scientific operations by crashing into Mercury, Planetary Science Institute researchers looked back at a mission that provided new discoveries on the planet closest to the Sun.
PSI’s Catherine Johnson, William Feldman, Faith Vilas, Deborah Domingue, Elizabeth Jensen and Robert Gaskell all moved ahead our knowledge of the  planet closest to the Sun.
Visit for more information on PSI’s investigation of Mercury.
Above, a depiction of the MESSENGER spacecraft is shown flying over Mercury's surface displayed in enhanced color. 
Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
June 1, 2015
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