Across
- 3. A fixed luminous point in the night sky that is a large, remote incandescent body like the sun.
- 5. A sequence of numeric codes generated at regular intervals by a timing synchronization system.
- 8. A group of clusters.
- 9. The state, fact, quality or condition of being singular.
- 10. A celestial body moving in an elliptical orbit around a star.
- 11. The planet on which we live.
- 12. A collection of stars.
- 13. The that the Earth orbits.
Down
- 1. Matter that emits light.
- 2. A hypothetical connection between widely separated regions of space-time.
- 4. The way something is identified or distinguished from other things.
- 6. The galaxy, of which the sun and solar system are a part of.
- 7. A group of galaxies.