Across
- 2. _______ hole An object that is so massive not even light can escape
- 4. Time in minutes it takes for light to reach Earth from the Sun
- 6. 9460000000000000 metres
- 7. Nearest star to Earth
- 8. 5th planet from the Sun
- 11. Someone who observes space and sky
- 13. An object orbiting a star that has a tail pointing away from the star
Down
- 1. Name of our galaxy: _______ Way
- 3. Name of force that keeps planets in orbit
- 5. Cluster of millions of stars held together by gravity
- 7. A light emitting mass of gas
- 9. An object orbiting a star with relatively large mass
- 10. Name of Earth's natural satellite
- 12. Scientific name for a shooting star