Solar System

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Across
  1. 1. A chunk of rock or dust in space
  2. 3. Clouds of gas and dust form a fuzzy outer layer called
  3. 7. The solid inner core of a comet
  4. 9. The sun produces enough energy through
  5. 10. Known as the "color sphere"
  6. 11. Outermost layer of the sun's interior
  7. 12. Huge, reddish loops of gas called
  8. 14. Too small to be considered full-fledged planets
  9. 16. The region of the Solar System is called the
Down
  1. 2. Region of very tightly packed gas where energy is transferred mainly in the form of electromagnetic radiation
  2. 4. What kind of effect is the trapping of heat by the atmosphere
  3. 5. The inner layer of the sun's atmosphere is called the
  4. 6. The inner planets are often called
  5. 8. The outer layer which looks like a white halo around the sun
  6. 11. Loose collections of ice,dust, and small rocky particles whose orbits are usually very long ellipes
  7. 13. Areas of gas on the sun's surface that are cooler than the gases around the,
  8. 15. The sun's central region