Space Vocabulary

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Across
  1. 1. extremely cold
  2. 5. the red planet
  3. 6. to turn about on an axis or a center
  4. 8. a blanket of gas surrounding a planet
  5. 9. related to the pole of a planet or the area surrounding it - The top and bottom by the axis of a planet
  6. 11. the EFFECT when the atmosphere traps heat on a planet
  7. 12. the sun, other bodies like asteroids and meteors, and planets that orbit the sun
  8. 14. a real or imaginary line through the center of an object
Down
  1. 2. nickname for the four closest planets
  2. 3. a round object in space that orbits a star
  3. 4. nickname for the four outer planets farthest from the sun
  4. 7. the curved path something in space takes around another object in space
  5. 10. an organization in the United States that directs space travel and research
  6. 13. the planet closest to the sun