God's Great Universe

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Across
  1. 2. the hottest region of the sun
  2. 4. a symmetrically shaped oval
  3. 7. Galaxy look like giant pinwheels spinning through the void of space
  4. 8. a star system containing from millions to billions of stars
  5. 11. the stars outlining such an imaginary picture
  6. 13. blanket of air, makes the earth hospitable for living
  7. 16. Year the distance light travels in one year
  8. 17. Scientists who study outer space, try to understand what the stars, planets, and all other heavenly bodies are like and what affects they have on each other
  9. 18. the force of attraction that exists between any two objects
Down
  1. 1. Layer a region of atmosphere between 10 and 30 miles above the surface of the earth
  2. 3. a haze of very hot gases that extend hundreds of thousands of miles from the surface of the sun
  3. 5. explosion of a star-a cosmic catastrophe of amazing
  4. 6. the brightness of a star is known as its...
  5. 7. patches of gas that are cooler than the rest of the sun, showing as darker blotches through a telescope
  6. 9. the sun's visible surface
  7. 10. the forces that resists motion
  8. 12. large clouds of gas and dust floating in space
  9. 14. Way the galaxy in which we live
  10. 15. Spirals the spiral arms are attached to a straight bar that runs through the center of the galaxy