Solar System EAS B

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Across
  1. 4. shell of icy bodies that surrounds the solar system
  2. 5. these planets are also called terrestrial planets, solid rocky surfaces
  3. 7. 90% of stars are this type, all are going through nuclear fusion
  4. 8. remnants of formation of solar system composed of minerals, rock and mostly ice
  5. 9. belt that starts outside of Neptune's orbit and extends out into the solar system
  6. 10. colder area on the sun surface that appears dark
  7. 13. rocky remnants from the formation of the solar system
  8. 14. planet that doesn't have a clear path around the sun
Down
  1. 1. theory that states that the solar system started as a cloud of gas and dust
  2. 2. a natural satellite that orbits a planet or asteroid
  3. 3. sphere of gas held together by its own gravity
  4. 6. when Hydrogen atoms are pushed together at high pressure and create Helium
  5. 11. these planets are ice and gas giants
  6. 12. a spiral or elliptical system of billions of stars, gas, and dust