How Aurora Phenomena Happen

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Across
  1. 4. A colorful light in the sky of the earth's poles
  2. 7. a form of energy that can be carried by wires and is used for heating, lighting, and to provide power for machines
  3. 8. the long-term weather pattern in an area
  4. 9. second largest planet in the solar system and the sixth planet from the sun
  5. 13. A celestial body that revolves around the sun with a certain trajectory and speed
  6. 15. particles with a negative charge
  7. 17. the energy possessed by an object because of the motion it does or experiences
  8. 19. a layer of gas that envelops planets, including the earth
Down
  1. 1. particles with a positive charge
  2. 2. the largest planet in the solar system
  3. 3. an imaginary line used to determine a location on Earth centered on the equator
  4. 5. the distance above sea level
  5. 6. A very small piece of matter
  6. 7. The third planet from the sun and the only planet that's inhabited by living things
  7. 10. The outer atmosphere of the sun is filled with streams of charged plasma particles that radiate in all directions
  8. 11. space or area around the magnet that is still affected by the magnetic force
  9. 12. the second-smallest planet in the solar system and the fourth planet from the sun
  10. 14. a particle consisting of neutrons and protons and surrounded by electrons
  11. 16. a line that separates the earth from the sky
  12. 18. end of the axis of the earth