Universe - Liana Castaneda - 4th period

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Across
  1. 2. All the space and matter
  2. 5. Stars that are spread out from the center
  3. 7. A large group of stars
  4. 8. a energy through matter/space as electromagnetic
  5. 9. Solar masses squeezed into a ball, not even light can escape
Down
  1. 1. Huge group of stars that rotates around, include the Sun and Solar System
  2. 3. The death of a large star by explosions
  3. 4. A gas held together by its own gravity
  4. 5. Travels 300,000 km/sec
  5. 6. Is mostly full of Hydrogen and Helium