The GOAT L'ndyn's Crossword (all glaze)

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Across
  1. 2. the process by which two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy
  2. 4. a scatter plot of stars showing the relationship between the stars
  3. 7. includes the Sun eight planets five officially named dwarf planets
  4. 8. the colossal explosion of a star
  5. 9. the third planet in our solar system
  6. 12. how bright a star appears to be
  7. 13. how bright a star actually is
  8. 15. located at the bottom left of the Hr diagram
  9. 16. 25% used in the big bang
  10. 17. where our sun would be positioned on the HR diagram.
  11. 18. an object traveling toward another object or toward us
  12. 19. an event the occurred 13.8 billion years ago
Down
  1. 1. 75% used in the big bang
  2. 3. measured from or considered in relation to the center of the sun
  3. 5. an object traveling away from another object or away from us
  4. 6. what is called to be when all the continents were once together
  5. 8. the formation of new areas of oceanic crust
  6. 10. the sideways and downward movement of the edge of a plate
  7. 11. measured from or considered in relation to the center of the earth
  8. 14. the last inner planet in our solar system