Across
- 4. made up of gas,dust and billions of stars.
- 6. the star that gives us light.
- 7. The spinning of a planet on its axis.
- 8. The rise and fall of earths water.
- 9. The path of a moon or craft going around a planet.
Down
- 1. The galaxy we live in.
- 2. The outermost layer of the sun.
- 3. Rocks that burn up when entering earth's atmosphere.
- 5. The amount of years it takes for light to reach something in space.
- 6. Dark spots in the sun that are cooler than normal.