Swan bands
Swan bands are 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.
Swan bands are 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.
