astronomy crossword puzzle

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Across
  1. 4. effect, frequency of sound, light, or other waves as the source and observer move toward (or away from) each other
  2. 6. (sun), the central or most important part of something.
  3. 9. magnitude, the magnitude (brightness) of a celestial object as it would be seen at a standard distance of 10 parsecs.
  4. 12. a reddish gaseous layer immediately above the photosphere of the sun or another star.
  5. 14. diagram, scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.
  6. 16. a small rocky body orbiting the sun.
  7. 18. vs. meteoriod vs. meteorite, the different atmosphere it is in or falling of a meteor
  8. 19. zone, a layer of a star's interior where energy is primarily transported toward the exterior
  9. 20. vs. dust trial vs. ion trial, the trials of objects
  10. 22. magnitude, the magnitude of a celestial object as it is actually measured from the earth
  11. 24. shift, the displacement of the spectrum to shorter wavelengths in the light coming from distant celestial objects moving toward the observer
  12. 25. the rarefied gaseous envelope of the sun and other stars.
  13. 26. a cloud of interstellar gas and dust.
Down
  1. 1. belt, a region of the solar system beyond the orbit of Neptune
  2. 2. planet, a celestial body resembling a small planet
  3. 3. zone, sun's surface where light is created
  4. 5. flare, a brief eruption of intense high-energy radiation from the sun's surface
  5. 7. a minute planet
  6. 8. branch of science investigations and measurements of spectra produced when matter interacts with or emits electromagnetic radiation.
  7. 10. cloud, extended shell of icy objects that exist in the outermost reaches of the solar system.
  8. 11. planet, planet that is composed primarily of silicate rocks or metals
  9. 13. planet, giant planets also knowns as gas giants
  10. 15. the luminous envelope of a star from which its light and heat radiate
  11. 17. spectrum, radiation is classified by wavelength into radio wave, microwave, terahertz
  12. 21. spot, a spot or patch appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings.
  13. 23. shift, the displacement of spectral lines toward longer wavelengths in radiation from distant galaxies and celestial objects.
  14. 25. a celestial object consisting of a nucleus of ice and dust