Star crossword

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Across
  1. 6. graph of mass, luminosity, temp, and diameter
  2. 8. equal to 3.26 lightyears
  3. 9. run diagnaly from upper left corner
  4. 10. how bright a star is placed at 10pc
Down
  1. 1. how bright a star appears
  2. 2. Group of stars named after animals
  3. 3. apparent shift in position caused by motion
  4. 4. when two stars are gravitationally bound
  5. 5. the distance from one point on a wave to the next corresponding point
  6. 7. energy output from the surface of the star