TEKS 8.9A

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Across
  1. 3. galaxy that contains our solar system
  2. 4. the group in which a star is classified according to its spectrum
  3. 7. a very large star that is even brighter than a giant
  4. 9. the intrinsic brightness of a celestial object
  5. 10. all existing matter and space considered as a whole
  6. 12. the process or result of joining two or more things together to form a single entity
Down
  1. 1. A black dwarf is a theoretical stellar remnant, specifically a white dwarf that has cooled down so much it no longer emits significant heat or light
  2. 2. a series of star types to which most stars belong, represented on a Hertzsprung–Russell diagram as a continuous band extending from the upper left (hot, bright stars) to the lower right (cool, dim stars)
  3. 5. a star of relatively great size and luminosity compared to ordinary stars of the main sequence
  4. 6. a system of millions or billions of stars
  5. 8. a small very dense star that is typically the size of a planet
  6. 11. a cloud of gas and dust in outer space