Astronomy Project

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Across
  1. 3. The type of planet that includes Mercury, Venus, Earth, and Mars
  2. 6. The hottest planet in the solar system
  3. 7. Weather occurs in this atmospheric layer along with containing nearly all the atmospheric gases
  4. 10. The closest celestial object to earth
  5. 11. The layers of Earth's atmosphere that contain the ozone layer
  6. 13. The theory that rapid rotation and a conducting liquid metal core creates a magnetic field
  7. 16. The planet with the largest most visible rings
  8. 17. Type of pollution formed by car exhaust and burning coal
  9. 21. The theorized source of water on Earth
  10. 22. The force of air determined by temperature and the distance from sea level
  11. 26. These transverse waves arrive second and can only travel through solids, not liquids
  12. 30. Subatomic particle found in the outer Van Allen Belt
  13. 31. The higher frequency radio waves
  14. 32. The name of the only star in our solar system
  15. 33. The study of seismic waves
  16. 34. The fraction of solar energy that is reflected back into space
Down
  1. 1. Ignoring the Sun, the closest star to Earth
  2. 2. These longitudinal(compression) waves are the first to arrive, they can travel through solids and liquids
  3. 4. The only planet with liquid water on the surface
  4. 5. Giant wave caused by an earthquake
  5. 8. Once considered a planet, this object is now a dwarf planet out in the Kuiper Belt
  6. 9. The type of planet that includes Jupiter, Saturn, Uranus,and Neptune
  7. 12. The month in which the Earth is closest to the sun
  8. 14. The layer of Earth's atmosphere immediately before space
  9. 15. The semi-solid rock layer of Earth undergoes convection and is sometimes visible in rifts and volcanoes
  10. 18. The month in which the northern hemisphere receives the most direct sunlight
  11. 19. The point in a planets orbit which it is closest to the sun and traveling at the greatest speed
  12. 20. The study of plate movement
  13. 23. The 'supercontinent' land mass that was present 200 million years ago
  14. 24. Events that are the source of seismic waves
  15. 25. Instrument that leads to the magnetic north pole
  16. 26. The instrument that records and measures seismic activity
  17. 27. Our current North Star
  18. 28. Type of fault the San ANdreas Fault would be considered as
  19. 29. The average distance of plate movement in a year