At 12:31 A.M. EDT October 6, NASA’s MESSENGER spacecraft will skim within 125 miles (200 kilometers) of Mercury’s surface. MESSENGER — short for MErcury Surface, Space ENvironment, GEochemistry, and ...
Little more than three weeks after MESSENGER’s first historic flyby of Mercury, the team this week began mapping out its trajectory and observation plans for the probe’s second pass of the planet this ...
The solar system’s neglected stepchild until recently, the planet has now been scrutinized twice at close range by the MESSENGER spacecraft. The craft’s most recent flyby, on October 6, 2008, has ...
When Mariner 10 flew past Mercury three times in 1974 and 1975, the probe imaged less than half the planet. In January, during MESSENGER’s first flyby, its cameras returned images of about 20 percent ...
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