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