The Solar System
Across
- 4. Moves around the sun in an oval-shape orbit.
- 8. Belt located between Mars and Jupiter.
- 10. Object that orbits the Earth.
- 13. Object that orbits the Sun and has a nearly spherical shape.
- 14. Proposed that Earth and the other planets revolve around the Sun.
Down
- 1. Movement of an object around in its own axis.
- 2. Discovered that planet's orbits are ellipses, not
- 3. Movement of an object around the Sun.
- 5. The word ''planet'' comes from the Greek word...
- 6. Force that pulls the planets and keep them moving around the Sun.
- 7. Amount of objects classified as planets in the solar system.
- 9. The invention of this object led to the discovery of additional planets.
- 11. Largest object in our solar system.
- 12. Example of a dwarf planet.