Unit 7 Review: Investigating Components of the Universe

123456789101112131415161718192021222324252627282930
Across
  1. 3. Shape of the Milky Way Galaxy
  2. 5. Color of highest temperature stars
  3. 6. Measure of magnitude; how bright a star truly is
  4. 7. Number of times a wave passes a certain point in a given time
  5. 9. Natural or human-made object that orbits something else
  6. 13. Telescopes that scientists use to study visible light
  7. 16. Light, energy, and information
  8. 17. Galaxies that have a circular or oval shape
  9. 18. Human-made objects that are sent out into space but don’t orbit something else
  10. 19. Side of the electromagnetic spectrum with shorter wavelengths
  11. 23. Last stages of a massive star; leaving either a Neuron star or a black hole
  12. 24. When a light source is moving towards the observer
  13. 25. HR Diagrams show the relationship between luminosity and ______________
  14. 26. White dwarfs are considered this because they have burned off the last of their fuel
  15. 29. Medium-sized star that Earth revolves around; part of Main Sequence stars
  16. 30. When a light source is moving away from the observer
Down
  1. 1. Distance from any point on a wave to a corresponding point on the next wave
  2. 2. System of stars and other matter; held together by gravity
  3. 4. Large cloud of cosmic dust and gas; where new stars are formed
  4. 8. ______________ and Russell give HR Diagrams their name
  5. 10. Direction that objects are moving as a result of the Big Bang Theory
  6. 11. Side of the electromagnetic spectrum with longer wavelengths
  7. 12. All forms of radiation together; spectrum
  8. 14. Total amount of light emitted by a star or other celestial body
  9. 15. How star spectral classes are classified
  10. 20. Galaxies that have no defined shape
  11. 21. Measure of magnitude; how bright a star appears
  12. 22. Coolest temperature stars; located in the bottom right hand corner of an HR Diagram
  13. 27. Light radiation that the human eye can detect; ROYGBIV
  14. 28. Color of lowest temperature stars