Across
- 2. the planets move in .....(cal end)
- 5. the astronomical model in which the Earth and planets revolve around a relatively stationary Sun at the center of the Solar system
- 6. a spiral of solar systems together
- 7. a satillite has an...
- 8. He was a mathematician, astronomer, geographer, astrologer,greek/roman citizen
Down
- 1. a description of the cosmos where the Earth is at the orbital center of all celestial bodies
- 3. satillite that stay over the same spot on the earth
- 4. Greek philosopher and polymath, a student of Plato