> If the medium of space itself dispersed light for instance, red shifts might be observed that explain the astronomical data. This is called tired light theor

> If the medium of space itself dispersed light for instance, red shifts might be observed that explain the astronomical data. This is called tired light theory. There's a professor of physics at UCLA who has a good breakdown of some of the major flaws with that theory. https://astro.ucla.edu/~wright/tiredlit.htm https://astro.ucla.edu/~wright/tiredlit.htm