Fractured Spectrum #1 hits stores this week, introducing a new threat to the universe. Can Hal Jordan and the Corps contain ...

The light from each star is directed through a prism to produce a spectrum. Each of the spectra has a set of absorption lines created by the presence of hydrogen in the stars' atmospheres.

A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of ...

White light is made of a spectrum of different colours. Light can be split up into these separate colours using a prism. There are three primary colours of light, which can be combined to make ...