Reese's crossword

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Across
  1. 4. the mixture of gases surrounding Earth
  2. 5. Vapor the gaseous state of water
  3. 7. an object, such as a moon, that orbits another object, such as a planet
  4. 8. a huge sphere of hydrogen and helium gas that radiates heat and light
  5. 9. a time in the evening when the sun disappears under the horizon the sun always sets in the west
  6. 10. a form of oxygen that forms a thin protective layer in the stratosphere
  7. 12. earth's natural satellite
  8. 13. the process by which water vapor changes into liquid water usually on a surface
Down
  1. 1. System the sun and the eight planets and other objects that orbit the sun
  2. 2. a time in the morning when the sun appears over the horizon, the sun always rises in the east
  3. 3. a hole formed by an object hitting a surface
  4. 6. an optical instrument that makes distant objects appear closer and larger
  5. 8. the star at the center of the Solar System around which all of the other Solar System objects orbit
  6. 11. to move or travel around an object in a curved path