The 100-Year Mystery of the Diffuse Interstellar Bands

Diffuse interstellar bands were first discovered in 1919 and since then scientists have found nearly 500 of them. How many do we understand? Only one.

Host: Caitlin Hofmeister

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Sources:
https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20160004200.pdf
https://www.nature.com/news/buckyballs-in-space-solve-100-year-old-riddle-1.17987
https://www.space.com/29977-buckyball-molecules-milky-way-mystery.html
http://iopscience.iop.org/article/10.1088/1742-6596/728/6/062005/pdf
http://bjm.scs.illinois.edu/astronomy/dibs.php
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Images:
https://commons.wikimedia.org/wiki/File:Buckminsterfullerene-perspective-3D-balls.png
https://commons.wikimedia.org/wiki/File:Star-Spectroscope.jpg
https://commons.wikimedia.org/wiki/File:Hydrogen_spectrum_visible.png
https://commons.wikimedia.org/wiki/File:Helium_spectrum_visible.png
https://commons.wikimedia.org/wiki/File:Lithium_spectrum_visible.png
https://commons.wikimedia.org/wiki/File:Lithium_spectrum_visible.png
https://en.wikipedia.org/wiki/Spectral_line#/media/File:Boron_spectrum_visible.png
http://rspa.royalsocietypublishing.org/content/469/2151/20120604.figures-only
https://commons.wikimedia.org/wiki/File:Radium_spectrum_visible.png
https://commons.wikimedia.org/wiki/File:Buckminsterfullerene.svg
https://commons.wikimedia.org/wiki/File:Eight_Allotropes_of_Carbon.png
https://commons.wikimedia.org/wiki/File:Hexabenzocoronene-3D-balls.png
https://images.nasa.gov/details-GSFC_20171208_Archive_e001913.html
https://en.wikipedia.org/wiki/File:Nitrogen_spectrum_visible.png
https://en.wikipedia.org/wiki/File:Oxygen_spectrum_visible.png
https://en.wikipedia.org/wiki/File:Neon_spectrum_visible.png
https://en.wikipedia.org/wiki/File:Silicon_spectrum_visible.png