Atmospheric and Astronomical Terms

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Across
  1. 3. The layer of the atmosphere directly above the troposphere.
  2. 4. The event that occurs when day and night are approximately equal in length in March.
  3. 5. The third layer of Earth's atmosphere, where meteors burn up.
  4. 6. The lowest layer of Earth's atmosphere where most weather occurs.
  5. 8. The event that occurs when day and night are approximately equal in length in September.
  6. 9. A thin layer of gas in the stratosphere that protects Earth from harmful UV rays.
Down
  1. 1. The phenomenon that marks the shortest day of the year in the Northern Hemisphere.
  2. 2. The uppermost layer of Earth's atmosphere, known for high temperatures.
  3. 7. The phenomenon that marks the longest day of the year in the Northern Hemisphere.