Exam Review Section 4

12345678910111213141516171819202122232425262728293031323334
Across
  1. 2. __ magnitude tells the brightness of a star.
  2. 4. These satellites are direct proof that time changes with velocity.
  3. 6. The brightest and hottest stars.
  4. 8. Galaxies with a disk of dust and a bulge.
  5. 12. The higher the frequency in a wave, the shorter the __.
  6. 14. Using triangulation in space to find distance.
  7. 18. Using light to see what elements a light source is made of.
  8. 20. The largest planets are largely made of __.
  9. 21. Spinny galaxies.
  10. 25. The brightest stars have __ magnitudes.
  11. 26. The __ method of finding planets is all about looking for shadows.
  12. 27. This equation helps us understand the chances of extraterrestrial life.
  13. 29. Time is __ the closer you are to a gravity source.
  14. 31. __ relativity is all about how motion and time relate to each other.
  15. 33. Type of EM waves made by heat
  16. 34. The dimmest and coolest stars.
Down
  1. 1. Spinny galaxies with a bar.
  2. 3. All evidence suggests the universe is __ at an ever increasing rate.
  3. 4. Type of EM waves with highest frequency
  4. 5. Type of EM waves made by cell phones
  5. 7. __ __ (collapsed stars) were first explained by the math in general relativity.
  6. 9. __ relativity is all about how time changes with gravity.
  7. 10. Event that is believed to have been the start of the visible universe.
  8. 11. Pluto and Ceres are dwarf planets or __.
  9. 13. The smallest planets are largely made of __.
  10. 15. The area around a star thought to be habitable.
  11. 16. __ magnitude tells how bright a star looks from Earth.
  12. 17. Largest planet
  13. 19. Spherical galaxies.
  14. 22. Refractor telescopes use convex __.
  15. 23. Reflector telescopes use concave __.
  16. 24. By seeing if stars are wiggling, we can find exoplanets due to the effect of their __.
  17. 28. Type of EM waves with lowest frequency
  18. 30. Satellite telescope that has found the most exoplanets.
  19. 32. Smallest planet