Across
- 2. most stars are in this stage
- 4. the increase and decrease in sound, light, or other waves
- 5. a huge group of gas, dust, stars, and solar systems, held together by gravity
- 7. small rocks that orbit the sun.
- 10. brightness of a star if it was 10 parsecs away
- 13. the brightness of a star the actual distance from earth
- 15. light from a star traveling towards earth, the star is moving away from us
- 17. chart of relationships of star's brightness and temperatures
Down
- 1. diagram that charts electromagnetic waves
- 3. the explosion of a star
- 6. the state of producing or reflecting light
- 8. the explanation of how the universe started
- 9. small, Icy object that orbits the sun
- 11. the light from a object moving towards us
- 12. all of space and all of the matter and energy it contains
- 14. cloud of dust and gas, nursery of stars
- 16. a massive luminous celestial body of gas