7H Solar System

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Across
  1. 2. The rocky object which orbits the earth
  2. 4. The closest planet to the Sun
  3. 5. The Earth is tiled on its ____
  4. 6. The closest galaxy to The Milky Way
  5. 11. An object which orbits something else
  6. 12. The period in 24h when the sun is on the same side of the earth as you
  7. 13. A word which describes the shape of the northern or southern region of the Earth
  8. 14. The largest star in our solar system
  9. 16. Objects look smaller as their _________ increases
  10. 17. This increases or decreases depending on closeness to the sun
  11. 19. A word to describe objects such as stars, which give off their own light
  12. 21. Caused by the northern and southern hemispheres pointing towards or away from the sun
Down
  1. 1. A collection of stars
  2. 3. The force which pulls objects towards the centre of the Earth
  3. 7. Used to be classed as a planet, but is now classed as a dwarf planet
  4. 8. The period in 24h when the sun is on the opposite side of the earth to you
  5. 9. the length of time it takes Earth to orbit the sun fully
  6. 10. This decreases on planets with weaker gravity and increases on planets with stronger gravity
  7. 11. The largest type of star
  8. 15. An objects which allows us to see objects further away than the eye can see
  9. 18. The fourth planet from the sun
  10. 20. The seventh planet from the sun