If you haven't already, I recommend learning about Astronomical spectroscopy, which helped me get a toehold on how this stuff works: https://en.wikipedia.org/wi

If you haven't already, I recommend learning about Astronomical spectroscopy, which helped me get a toehold on how this stuff works: https://en.wikipedia.org/wiki/Astronomical_spectroscopy https://en.wikipedia.org/wiki/Astronomical_spectroscopy