Solar System and Space

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Across
  1. 4. A huge group of stars
  2. 7. The number of planets our solar system
  3. 9. Shooting Stars
  4. 11. Absorb and give off infrared radiation
  5. 15. Irregular shaped huge space rocks
  6. 17. Frozen carbon dioxide
  7. 18. Name of the last Unit from the book
  8. 20. The process of going from solid to gas
  9. 21. The planet that contains oxygen
  10. 22. The first planet from the sun
  11. 23. Evidence of an ancient organism
  12. 24. A cloud made of dirt, gas, and ice.
Down
  1. 1. A oval orbit
  2. 2. Made of thousands of galaxies
  3. 3. Planet that has most potential life
  4. 5. Young stars surrounded by gas and dust
  5. 6. We have 8 of these in our solar system
  6. 8. A push or pull in a certain direction
  7. 10. One of the two defining points
  8. 12. A circular motion around a mass
  9. 13. The center of our solar system
  10. 14. Light and streams of charged particles
  11. 16. Natural attraction physical bodies
  12. 19. Our Galaxy