Our Universe Cross Words Puzzle

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Across
  1. 2. Protects us from the suns radiation.
  2. 3. Radiation from the sun. Gives us sunburns too.
  3. 7. The most massive object(s) in space.
  4. 8. Has 3 types, A,B,&C.
  5. 10. A steam of particles blowing out from a star.
  6. 11. Keeps things from floating away. Also makes things fall.
  7. 12. A type of radiation that the sun emits.
  8. 14. The only known planet with life. Also has water.
Down
  1. 1. Creates the years.
  2. 4. Creates the seasons.
  3. 5. Layer of gas around Earth.
  4. 6. Closest star to Earth. A G-Class star.
  5. 9. A planetary system that includes 8 planets, including the Earth, and the sun.
  6. 13. Helps everywhere get sunlight and the days and nights.
  7. 15. The point in which the Earth spins around.