Sun and Stars Crossword Puzzle

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Across
  1. 2. EX:keeps a ball rolling down the hill
  2. 4. EX: Sun
  3. 6. a graph relating the surface temperatures and absolute brightness of stars
  4. 10. eruption on the sun
  5. 12. makes small things larger
  6. 13. EX: very bright, involves black hole
  7. 18. EX:Jupiter
  8. 19. EX: very large explosion
  9. 20. many nuclei come together at high speed
  10. 22. apparent distance between two objects
Down
  1. 1. unit of length used informally to express astronomical distances.
  2. 3. remains of supernova
  3. 5. without it we would float
  4. 7. region of space having a gravitational field so intense that no matter or radiation can escape.
  5. 8. EX: the stars/ or suns brightness from earth
  6. 9. building and gathering of particles
  7. 11. EX:scale measures it
  8. 14. hot core that is left behind
  9. 15. star revolves around the other
  10. 16. EX:Pluto
  11. 17. instrument that seperates pink green purple orange and more colors
  12. 20. EX: contains gas and dust
  13. 21. EX:use a balance scale