stars

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Across
  1. 5. small very dense star that is typically the size of a planet
  2. 7. a region of cosmic gas and dust formed from the cast-off outer layers of a dying star.
  3. 8. a very small cooled remnant of white dwarf that emits no detectable light.
  4. 9. giant cloud of dust and gas
  5. 10. a star that has exhausted the supply of hydrogen in its core
Down
  1. 1. when a supper giant explodes some of the material from the star is left behind
  2. 2. powerful explosion of a star
  3. 3. the most massive star having more than 40 times the mass of the sun when they die
  4. 4. a very young star that is still gathering mass from its parent molecular cloud
  5. 6. a very large star that is even brighter than a giant, often despite being relatively cool.