Earth and space

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Across
  1. 2. the leading theory on how the universe began
  2. 3. the result of disturbances in the magnetosphere caused by solar wind
  3. 8. when the moon casts a shadow on a portion of the earth which partially or fully blocks sunlight
  4. 9. medium sized star
  5. 12. a gas giant
  6. 13. planet far from earth
  7. 14. huge star
Down
  1. 1. an astronomical unit of length which equals about 9.46 trillion km
  2. 4. what we call our the planets in the milky way orbiting the sun
  3. 5. a system of stars and other matter bound together by gravity
  4. 6. small rocky/metallic body in space
  5. 7. icy body which orbits the sun
  6. 10. small star
  7. 11. planet close to earth