Exploding Meteor

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Across
  1. 2. exists beyond Earth
  2. 5. national Oceanic and Atmospheric administration
  3. 7. a space meteoroid
  4. 8. studies space
  5. 9. meteor on fire
Down
  1. 1. space station
  2. 3. blow up
  3. 4. how we study earth
  4. 6. where we live
  5. 7. weight