Refine by:
-
▾ Subject
- Christoph (1)
- Copernican world system (1)
- Galilei (1)
- Galileo (1)
- Scheiner (1)
- motion of Earth (1)
- sunspots (1)
-
▾ Date
- 1500s C.E. (1)
- 1600s C.E. (3)