SPECTRA & SPECTROSCOPY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Swan bands Spectral bands of the carbon radical C2 first investigated in 1856 by the Scottish physicist William Swan (1818-1894). They are a characteristic of the spectra of carbon stars and of comets. Related category    • SPECTRA AND SPECTROSCOPY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP