The Solar System

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Across
  1. 2. the vast open space which includes ‎everything that exists as matter or energy.
  2. 5. The movement of the earth about its axis.
  3. 7. a group of stars which forms a recognizable ‎pattern in the sky.
  4. 8. the heavenly bodies which move around the ‎sun.
  5. 9. the sun is a huge ball of burning _________.
Down
  1. 1. a constellation
  2. 3. the movement of the planets around the sun.
  3. 4. the only natural _____________ of earth is ‎moon.
  4. 6. the name of our galaxy
  5. 10. the head of the solar system.