MESSENGER Spacecraft Reveals A Very Dynamic Planet Mercury

A NASA spacecraft gliding over the surface of Mercury has revealed that the planet's atmosphere, the interaction of its surrounding magnetic field with the solar wind, and its geological past display greater levels of activity than scientists first suspected.

Link: http://www.nasa.gov/home/hqnews/2009/apr/HQ_09_092_Messenger_flyby_results.html

Time: 30. Apr. 2009

Feed: NASA Breaking News

Topics: mercury, planet, spacecraft