challenge it HR diagram

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Across
  1. 5. what is the x-axis in the diagram
  2. 6. name the stage the sun is in
  3. 8. star that is bright and either cool or hot
  4. 9. average luminosity and is cool
  5. 10. what is the diagram called
Down
  1. 1. really hot star but low brightness
  2. 2. what is the galaxy full of?
  3. 3. what does the chat tell us
  4. 4. what is the y-axis of the diagram
  5. 7. where are stars located