astronomy crossword puzzle

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