Chapter 3 (Earth and Space)

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Across
  1. 4. a group of stars that forms a pattern.
  2. 6. A large, round object that revolves around a star and has cleared the region around its orbit.
  3. 7. An explosive eruption of waves and particles into space.
  4. 8. One full orbit around the sun.
  5. 9. A rocky mass of up to several hundred kilometers wide that orbits the sun.
  6. 12. The path and object takes as it revolves around a star, planet, or moon.
  7. 13. A natural object that revolves around a planet.
Down
  1. 1. A large, round object that revolves around the sun and has not cleared the region around its orbit.
  2. 2. Any of the 4 closest planets to the sun.
  3. 3. Any of the 4 planets in our solar system beyond Mars.
  4. 5. A space craft that gathers data without a crew.
  5. 9. An imaginary line around which an object spins.
  6. 10. One whole spin of an object around its axis.
  7. 11. A frozen mass of different types of ice and dust orbiting the sun.