Across
- 4. A rocky or metallic object that orbits the Sun and is much smaller than a planet.
- 5. The turning of an object on its axis.
- 6. An object made of rock, ice, dust, and gas that revolves around the Sun.
- 7. A natural object that orbits a planet.
Down
- 1. The motion of one object around another object.
- 2. A large object in space that is made of gas and produces its own light.
- 3. A system of planets and other bodies that orbits a star