which bends the light and splits it into its different colors. A scientific tool that can do the same thing is called a spectroscope (early spectroscopes used prisms). You can make your own ...

Again, carbon gives six differing spectra, according to the ... only expressed the opinion that Auroral light is, principally, not exclusively, incandescent oxygen. Lastly, he objects to my ...

For example, you can tell what elements are in a star or an incandescent based on the spectrum of light they emit. But you can also do spectroscopy with other ranges of electromagnetic radiation.