Around the Universe

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Across
  1. 2. star which is always visible over horizon
  2. 5. shape of earths orbit
  3. 7. a sudden burst of energy from a star
  4. 8. a large ball of burning gas that produces light, ultra violet light and X-rays
  5. 9. beautiful glowing lights seen at North and south pole
  6. 10. an imaginary line from north pole to south pole
Down
  1. 1. that orbits a star outside the earths solar system
  2. 3. first verified LSB galaxy
  3. 4. 2nd full moon in a month
  4. 6. a rapidly emitting neutron star that emitts radio waves