Across
- 2. Last stages of a massive star; leaving either a Neutron star or a black hole
- 4. Distance from any point on a wave to a corresponding point on the next wave
- 6. Shape of the Milky Way Galaxy
- 8. The name of the arm in the spiral galaxy that our solar system is located
- 10. HR Diagrams show the relationship between luminosity and ______________
- 11. The universe is still expanding outward from the after effects of the Big Bang; true or false?
- 17. Galaxies that have no defined shape
- 19. Color of lowest temperature stars
- 21. When a light source is moving towards the observer
- 22. Large cloud of cosmic dust and gas; where new stars are formed
- 23. System of stars and other matter; held together by gravity
- 25. The galaxy in which our solar system is located in
- 27. When a light source is moving away from the observer
Down
- 1. Background radiation that was leftover from the Big Bang
- 3. Type of stars that expand as they run out of fuel; high-mass stars
- 5. Galaxies that have a circular or oval shape
- 6. Medium-sized star that Earth revolves around; part of Main Sequence stars
- 7. Formed when a nebula has enough gas and dust and collapses
- 9. White dwarfs are considered this because they have burned off the last of their fuel
- 12. Space and everything in it
- 13. Number of times a wave passes a certain point in a given time
- 14. Color of highest temperature stars
- 15. The diagram used to plot stars based on their luminosity and their surface temperature
- 16. The distance that a star’s light can travel in one year
- 18. Direction that objects are moving as a result of the Big Bang Theory
- 20. If something appears bluer in our galaxy, the direction it is moving compared to the observer
- 24. The pitch that is associated with blueshift
- 26. The pitch that is associated with redshift