Galileo Galilei
Sidereus Nuncius
Starry Messenger

Galileo: positions Galileo: publications Galileo and the telescope Galileo's discoveries with the telescope


spots on the Sun


mountains and "seas" on the moon


the Milky Way consists of lots of stars


Saturn has bulges


Venus has phases


Jupiter has moons


ASTR 121 Home
Davison E. Soper, Institute of Theoretical Science, University of Oregon, Eugene OR 97403 USA soper@bovine.uoregon.edu