Consulta estas páxinas para construir o espectrográfo:
http://www.cs.cmu.edu/~zhuxj/astro/html/spectrometer.html
http://sci-toys.com/scitoys/scitoys/light/cd_spectroscope/spectroscope.html
http://www.livescience.com/ 41548-spectroscopy-science- fair-project.html
http://www.euhou.net/index. php/exercises-mainmenu-13/ classroom-experiments-and- activities-mainmenu-186/178-a- home-made-spectroscope
http://coolcosmos.ipac. caltech.edu/cosmic_games/ spectra/makeGrating.htm
https://www.youtube.com/watch? v=YStZk2zANvk
http://www.euhou.net/index.
http://coolcosmos.ipac.
https://www.youtube.com/watch?
Para entender o espectro electromagnético e os espectros atómicos:
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