Across
- 4. All existing matter and space considered as a whole
- 6. A luminous sphere of plasma held together by its own gravity
- 7. Galaxy that is a sphere or elongated with no central disk
- 8. The distance light travel in a year
- 10. Light years are a measure of this
- 12. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
- 14. Earth's next closest star after the sun
Down
- 1. The nearest major galaxy to the Milky Way
- 2. The galaxy in which we live
- 3. A galaxy that does not have a regular shape or structure
- 5. The force that holds the galaxies together
- 6. Galaxy where stars are concentrated in arms coming out from a hub
- 9. A group of stars that from a galaxy
- 11. Particular form
- 13. The nearest star to Earth