Structure of the Universe p.4-15

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Across
  1. 3. where Earth and other planets orbit the sun
  2. 6. gigantic explosion where a star throws its outer layers into space
  3. 7. celestial body composed of gas and emits light
  4. 8. process of how energy is produced
  5. 11. spherical body that orbits the sun
  6. 12. where the sun, moon, planets and stars orbit Earth
Down
  1. 1. large collection of stars, dust and gasses held together by gravity
  2. 2. the word that scientist use to describe space and all of the energy and matter in it
  3. 4. collection of large and small bodies that orbit the sun
  4. 5. the shift in position when an object is viewed from a different location
  5. 9. the distance that light travels through space in one year
  6. 10. large cloud of dust and gas in space