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Latest Washington Monuments Stories

2011-09-29 13:16:00

WASHINGTON, Sept. 29, 2011 /PRNewswire-USNewswire/ -- NASA's MESSENGER spacecraft, the first to achieve orbit around Mercury, is providing scientists new information about the planet. The data show widespread flood volcanism similar to Earth, clearer views of Mercury's surface, the first measurements of its elemental composition, and details about charged particles near the planet. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) MESSENGER, or the MErcury Surface, Space...