ESS - Vocabulary on Stars

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Across
  1. 2. a natural force by which objects attract each other
  2. 6. a large, bright ball of gas performing fusion
  3. 8. producing a lot of light
  4. 11. a reaction where hydrogen is combined into helium, releasing energy, light, and heat
  5. 12. a measurement in degrees showing the heat of something
  6. 13. a powerful gravity well that even light cannot escape
  7. 14. a huge collection of stars and planets
  8. 15. a collapsed star that is incredibly dense
Down
  1. 1. a young star, made of contracting gases
  2. 3. type of star that is incredibly large and brighter than a giant
  3. 4. type of star that is very large but with relatively low temperature
  4. 5. the amount of matter in an object
  5. 7. type of star appearing as a continuous band on plots of color vs brightness
  6. 9. a powerful and bright stellar explosion
  7. 10. the closest star to Earth that we orbit around