Low Mass Stars

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Across
  1. 2. A sudden attack or outburst. (9)
  2. 3. High mass stars are roughly _____ the size of our Sun. (5)
  3. 7. When a star dies, it will become ____ ______. (4,6)
  4. 8. The rate at which hydrogen fusion occurs depends on how much ________ the star has in its core. (8).
  5. 11. When it turns into a red giant, the Sun will have an increased luminosity, but a decreased _______. (7)
  6. 13. The lowest mass stars that fuse hydrogen only in their centers. (3,6)
  7. 15. A ______ mass stars squeezes hydrogen harder, so it fuses far more quickly. (6)
  8. 16. While it's a red giant, the Sun will lose ____. (4)
Down
  1. 1. Name of the process where hot stuff rises to the surface, cools, then falls back to the core. (10)
  2. 4. Stars make energy by fusing hydrogen into helium. This process is call _______ ______. (7,6)
  3. 5. Bigger stars ___ ___ of hydrogen fuel more quickly. (3,3)
  4. 6. Stars become a _____ dwarf after they have exhausted their nuclear fuel. (5)
  5. 9. When you heat a gas, it _______. (7)
  6. 10. A star that is brighter than a main-sequence star, but not as bright as giant stars. (8)
  7. 12. A planetary ______ is created when a star blows off its outer layers after it has run out of fuel. Its outer layers of gas expand into space, often in the shape of a ring or bubble. (6)
  8. 14. Helium fusion is when helium becomes ______. (6)