Also, would a region of space where light spends more time traversing it become more massive than a similar region of space where light doesn’t spend that much time all else being equal?
Also, would a region of space where light spends more time traversing it become more massive than a similar region of space where light doesn’t spend that much time all else being equal?
It’s fine not give an answer to the question if the answer is “it depends”. You can always ask for further specifications.