Year 7 From Heaven to Earth

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Across
  1. 2. the milky way is an example of this
  2. 4. found between mars and jupiter
  3. 5. the brightest planet in the sky
  4. 8. this month has an extra day every four years
  5. 12. another name for the layers of air surrounding the earth
  6. 14. the season when days are long and nights are short
  7. 16. this layer prevents harmful ultra violet light from entering the earth's atmosphere
  8. 17. the atoms of this gas are fusing together in the sun to produce helium
  9. 19. the path of a planet around the sun
  10. 20. a term to describe the upper half or lower half of the earth
  11. 23. this was once considered as the ninth planet in our solar system
  12. 24. the sun is an example of this
Down
  1. 1. the sun, the planets, the galaxies are all part of this.
  2. 3. a person who studies the stars and planets
  3. 6. the darker cooler areas of the sun
  4. 7. satellite of the earth
  5. 9. another term for the earth spinning on its axis to give us day and night
  6. 10. closest planet to the sun
  7. 11. the biggest planet in our solar system
  8. 13. these happen twice a day due to the gravitational pull of the moon
  9. 15. this appears in the sky with a long tail
  10. 18. third planet from the sun
  11. 21. the number of minutes it takes light to reach the earth from the sun
  12. 22. when the sun or moon is hidden from our view