Weird “spider,” volcanism discovered on Mercury
National GeographicPosted: January 31st, 2008 by Thomas L. Knapp
“The solar system’s smallest planet created a huge buzz today as NASA unveiled preliminary photos and findings from the first Mercury flyby in 30 years. The photos reveal widespread volcanic activity, asteroid assaults, and a spider-shaped formation the likes of which have never before been seen in the solar system.” (01/30/08)
