Across
- 3. Rotational center of a huge galaxy such
- 5. large cloud of gas and dust in interstellar space
- 6. A plot of the
- 14. location of star formation.
- 15. little dust or gas.
- 16. a spiral galaxy.
- 18. the milky way galaxy.
- 19. A representation of an object that is
- 21. Electromagnetic waves with long wavelengths
- 23. the bright stars in a galaxy.
Down
- 1. Bands of dust that appear as dark ribbons
- 2. The death of a large star by explosion.
- 4. Vast arrangment of electromagnetic
- 7. A galaxy with a bright center and
- 8. How fast light travels 300,000km/sec.
- 9. All space the matter space contains.
- 10. Areas of stars that spread out from the center
- 11. travels through space in 1 year.
- 12. in its proportions to the actual object.
- 13. low frequencies.
- 17. A large grouping of stars in space.
- 20. A unit of length equal to the distance that
- 22. in relation to their wavelengths.