Spectroscope to Find Planets All Over the Galaxy

A white dwarf is a kind of star. Neutron star is a kind thestar. They're in the name. So we're going to call brown dwarf stars stars all the time now. No, they're not a. I aname anywayts, anyway,. Of so, a, i the the way, doffare shifting. You look at the precise wave length of a given spectral line and that exact color of the spectral line will get shifted redward and blueward as the star moves with respect to the planet going around it.