EMS/Galaxy Puzzle

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Across
  1. 4. where stars are born
  2. 6. the phase after main sequence
  3. 9. a chart listing stars by brightness and temperature
Down
  1. 1. the longest wavelength
  2. 2. the shortest wavelength
  3. 3. a theory that the universe is rapidly expanding
  4. 5. a celestial body made of gas in space
  5. 7. one of the possible transformations after a giant star dies
  6. 8. the spectrum of all wavelengths
  7. 10. longer wavelengths shown in celestial bodies' radiation