Yes. For those readers who are interested, they assign the primary colors to various important parts of the spectrum representing various elements. Watched a

Yes. For those readers who are interested, they assign the primary colors to various important parts of the spectrum representing various elements. Watched a wonderful set of lectures from The Great Courses that explains this. Highly recommended for laymen who are interested in astronomy. http://www.thegreatcourses.com/courses/understanding-the-universe-an-introduction-to-astronomy-2nd-edition.html http://www.thegreatcourses.com/courses/understanding-the-uni...