Erat

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Across
  1. 1. Balloons, Used to observe weather
  2. 6. The layer where most commercial aircraft fly
  3. 7. Generally orbit in the exosphere
  4. 9. The layer where meteors burn up
  5. 10. The planet surrounded by the atmosphere
  6. 13. Used to study space and human anatomy
  7. 14. The layer where weather and clouds form
  8. 15. Layer, Generally found in the Stratosphere to protect us from UV radiation
Down
  1. 2. What the Northern and Southern lights are know as
  2. 3. The boundary between the troposphere and stratosphere
  3. 4. The layer where the International Space Station orbits
  4. 5. The boundary between the thermosphere and exosphere
  5. 8. The total number of satellites in a GPS constellation
  6. 10. The outermost layer that gradually fades into space
  7. 11. Responsible for warming the earth
  8. 12. Where space begins