10.10.09: An Active Mercury?
October 10, 2009 by David Dickinson
Filed under Astro News, Astro News & Commentary
An atmosphere. Magnetosphere. Signs of recent geological activity…is it Mars? Europa? Some far off exo-planet? Nope…its none other than Mercury, a visual twin of our own Moon and long thought of as just as inactive. The past three flybys of NASA’s Messenger spacecraft have revealed a world of dynamic activity. First, there is Mercury’s on-again, [...]
