Across
- 2. Observed Mars
- 4. Created the 3 laws of motion
- 5. The outer planets are also known as..
- 8. Most orbit the sun between Mars and Jupiter
- 9. Some people call them "shooting stars"
- 10. The most famous dwarf planet
Down
- 1. The first Astrologist to propose a Heliocentric universe
- 3. All the planets besides Mercury and Venus have them
- 6. Made improvements to the telescope
- 7. Also known as comets