Across
- 4. in its proportions to the actual object
- 5. of light how fast light travels 3000,000km/sec
- 6. all space and the matter space contains
- 9. a self luminus celestial body consisting of a mass
- 12. radiation radiation consisting of
- 16. center rotational center of a huge galaxy such
- 18. light
- 19. gas held together by its own gravity in which the
- 20. the milky way galaxy
- 21. waves electrometic waves with wavelegths than
- 23. large of gas and dust in interstell space the
Down
- 1. and magnetic waves that travel at the speed of
- 2. as electromagnetic waves
- 3. the transfer of energy throught matter or
- 5. model a representation of an object that is
- 7. is generate by nuculear reactions in its interior
- 8. arms areas of stars that spread out from the
- 10. a large grouping of stars in space
- 11. ruussell diagram a plot the surface
- 13. of star formation
- 14. color of stars vs their luminosity brightness
- 15. electromagnetic waves that are between ration
- 17. of spiral galaxy
- 22. in the electromagnetic spectrum