Star Party

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Across
  1. 3. hydrogen fusion begins moving into the star's outer layer
  2. 5. glowing shells of gas and dust ejected by dying
  3. 6. not even light can escape this or it is so dense that gravity just beneath its surface
  4. 8. cloud, gas and dust
  5. 9. stand out from the rest are 30 to 100 times more massive and brighter than the sun
  6. 10. a "baby star" in its earliest stage
Down
  1. 1. eight times massive as massive as our own sun or it can turn out to be 12 to 13 billion years old
  2. 2. make up around 90% of the universes stellar population
  3. 4. heavy elements are only produced in this if it was in a bulk
  4. 6. white dwarf that has cooled down
  5. 7. ancient remnants of Stars or they pack an extremely strong gravitational pull