H-R Diagram

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Across
  1. 2. what is our galaxy
  2. 4. what does H-R diagram study
  3. 7. which axis reads from right to left
  4. 8. what are 90% of stars
  5. 9. another word for brightness
  6. 11. these stars are super big, Antares is this type of star
Down
  1. 1. what is the name of this diagram and is the initials of two scientists
  2. 3. what can't be seen on the HR diagram
  3. 5. this is how hot stars are
  4. 6. the H-R diagram represents stars from a what
  5. 10. which star is an average temp and brightness