A Closer Look at Space: Vocabulary

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Across
  1. 1. a mass of gas in space that gives off energy
  2. 4. a layer of gases that surrounds most planets.
  3. 5. a large, rocky object that orbit planets
  4. 7. a large body of rock or gas that orbits the sun.
  5. 8. include Mercury, Venus, Earth, and Mars.
  6. 10. to spin.
Down
  1. 2. the imaginary line around which a planet rotates.
  2. 3. include Jupiter, Saturn, Uranus, and Neptune.
  3. 6. to move around another object, along a path.
  4. 9. to move around an object in a circular motion.