Observing the Universe

123456789101112131415
Across
  1. 3. The whole system of space including planets, stars, and galaxies
  2. 5. A period of the year with specific weather patterns
  3. 7. The planet we live on
  4. 11. The movement of a planet around the Sun
  5. 12. An imaginary line that a planet spins around
  6. 13. A large object that orbits a star like Earth or Mars
Down
  1. 1. The star at the centre of our Solar System
  2. 2. When ocean water rises up
  3. 4. The spinning of Earth or another object on its axis
  4. 6. A natural object that orbits Earth
  5. 8. The study of space and everything in it
  6. 9. The path an object takes around another object in space
  7. 10. A force that pulls objects towards each other
  8. 14. When ocean water goes down
  9. 15. The rise and fall of ocean water