nzherald.co.nz shared a link.
It's been an amazing few days for people fascinated by Space - the Russian meteor videos were extraordinary. Now comes this video and map of the surface of Mercury, pulled together from literally thousands of photos from Nasa's Messenger spacecraft. Awesome. http://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=10866115