Across
- 3. A piece of rock or dust that makes a streak of light in the night sky.
- 4. Something that orbits a planet.
- 5. A rocky body orbiting the Earth
- 7. Any large body that orbits a star in a Solar System.
- 8. A rocky inner planet third from the Sun.
Down
- 1. A number of Stars and Solar Systems around them grouped together.
- 2. A stony or metallic object that has fallen to Earth from Outer Space.
- 3. The Galaxy containing our Solar System.
- 6. The path taken by one body around another.