Astronomy

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Across
  1. 3. number of planets in our solar system
  2. 8. Is the invisible phase of the Moon
  3. 10. Name of the 1st crewed rocket to reach the moon
  4. 12. Mercury, Venus, Earth and Mars are called ______ planets
  5. 13. Small rocky bodies that revolve around the sun.
  6. 14. When we see the complete moon
  7. 16. Is found between Mars and Jupiter
  8. 17. Small body of ice, rock and cosmic dust
Down
  1. 1. Small rocky bodies that travel through space
  2. 2. the galaxy we live in
  3. 4. Short-period comets come from the _______ belt
  4. 5. The Moon is Earth’s only natural _____
  5. 6. Name of russian rocket that crashed in the moon
  6. 7. Jupiter, Saturn, Uranus and Neptune are called _____ planets
  7. 9. Long-period comets come from the _____
  8. 11. First asteroid discovered on 1 January 1801
  9. 15. what we call shooting stars