Major center icon labeled “spectrographs”: Line drawing of light becoming refracted by a prism. Triangle with a white line getting into at an angle with the left side, passing straight through the triangle, after which exiting being a rainbow on the ideal.  Black-and-white space telescope image showing a spiral galaxy https://edwinwxyvs.theideasblog.com/29321308/not-known-factual-statements-about-flame-spectrophotometer