Cece's Crossword `

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Across
  1. 2. Everything it includes all space and all the matter and energy that space contains
  2. 5. Stars like the sun become after they have exhausted their nuclear
  3. 7. Having a flat circular shape
  4. 9. The act of melting things together.
  5. 10. A giant cloud of dust and gas in space
  6. 12. The quality of something that gives off light or shines with reflected light
Down
  1. 1. 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
  2. 3. is a star that has expanded significantly in size and luminosity compared to main-sequence stars of the same temperatureBlackdwarf A very small cooled of white dwarf that emits no detectable light
  3. 4. A larger gravitationally bound system of stars gas dust and dark matter
  4. 6. A graph that plots a star's absolute magnitude or luminosity against its surface temperture
  5. 8. A star that expanded space brightness compared to main sequence star same temperture
  6. 11. large spiral galaxy containing our solar systemMain sequence