the universe of rafatih and danitih

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Across
  1. 3. what is the name of the dwarf planet in our solar system?
  2. 5. what is the name of our big star?
  3. 7. what is the luminous body on the sky?
  4. 8. the sun is consisted by what?
  5. 9. what protects the earth from ultraviolet rays?
Down
  1. 1. when all started?
  2. 2. what is gravitating on the space?
  3. 4. what is the biggest planet in our solar sistem?
  4. 5. what the planet that have a ring?
  5. 6. what is the name of our universe?