Mercury
Links
The Planet Mercury
http://www.facts-about.org.uk/science-planet-mercury-planet-info.htm
Provides basic facts about the planet.
The Planet Mercury
http://www.the-solar-system.net/planet-mercury/mercury.html
Includes quizzes and pictures.
Transit of Mercury: Live Images
http://home.freeuk.net/dgstrange/transit.mercury.2003/
This site will contain live images of the transit of Mercury across the face of the Sun as recorded at Worth Hill Observatory in May 2003.
USGS Astrogeology: Mercury
http://astrogeology.usgs.gov/SolarSystem/Mercury/
US Geological Survey Mercury page, with links to Geological information about the planet.