Across
- 8. Star explosion/collision
- 11. Spiral galaxy that holds Earth
- 13. Round to oval galaxy shapes
- 14. Fact or information
Down
- 1. Space vacuum
- 2. International system of units
- 3. Galaxy shaped as a spiral
- 4. A unit of measurement used in the solar system
- 5. Force attraction to the center
- 6. (9.46 x 10^12 km)
- 7. All of matter
- 8. An explanation of natural occurrences
- 9. A cloud of gas and dust in space
- 10. A group of planets that revolve around a star
- 12. Stars, gas, and dust held by gravitational attraction