How Aurora Phenomena Happen

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