Across
- 2. Galaxy A galaxy with a bright center and very little dust or gas
- 5. The transfer of energy though matter or space as electromagnetic waves such as visible light and infrared waves
- 6. A representation of an object that is accurate in its proportion to the acute object
- 7. Large cloud of gas and dust in interstellar space
- 10. Rotation center of a huge galaxy such as the milky way galaxy
- 13. galaxy with a central bulge or bar with arms if any are present
- 17. Russel Diagram A plot of the surface temperature(color) of stars vs. their luminosity(brightness)
- 19. How fast light travels
- 20. A large grouping of stars in space
- 21. in astronomy as a standard unit to compare the size of other stars with our sun
Down
- 1. Electromagnetic waves with long waveslengths and low frequences
- 2. Radiation consisting of electric and magnetic waves that travel at the speed of light
- 3. Areas of stars that spread out from the center of a spiral galaxy
- 4. Vast arrangment of electromagnets waves in relation to their wavelength
- 8. A galaxy that does not fit into any category
- 9. The death of a large star by explosion
- 11. The huge grouping of stars that rotate around a center of which the sun and the solar system are a part
- 12. The luminous celestial body around which the earth and other planets rvolve compossed mainly of hydrogen and helium
- 14. A galaxy with bulge in the center and very distinct long arms winding around the center
- 15. Brands of dust that appears as dark ribbon against the bright stars in a galaxy
- 16. The distance between any two corresponding points that are adjacent on a wave
- 18. All space and matter space contains