Crossword - Brain Buster (Advanced Mode)

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Across
  1. 2. A massive blue supergiant in the Orion constellation.
  2. 4. What equilibrium keeps a star from collapsing under its own gravity
  3. 7. Unit of distance equal to 3.26 light-years.
  4. 9. What kind of star sends out light pulses like a cosmic lighthouse?
  5. 11. A tiny particle that mediates electromagnetic radiation in the universe.
  6. 12. What sits quietly at the center of our galaxy?
  7. 13. dwarf What’s the Sun’s “official” star type?
  8. 14. Which star is waiting to replace Polaris as the North Star in 13,000 years?
Down
  1. 1. What scientific method is used to determine the composition of stars?
  2. 3. What do stars burn to keep on shining?
  3. 5. dwarf What’s the smallest type of star?
  4. 6. What’s the first stage of a star’s life called?
  5. 8. What’s the dramatic, explosive ending of a massive star called?
  6. 10. What do we call planets that orbit stars outside our Solar system?
  7. 12. What’s the sizzling hot color of the hottest stars?