People in optics are a bit sloppy when it comes to the definition of a prism. While many of them ... prisms that split a beam of white light into its spectrum of colors, although they make great ...

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 ...

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.