Thanks, that's what I thought. just wanted to confirm since I had heard a few contrary remarks when researching it. Also, my use of 'refracted' was simply keeping in terms of the gravitational 'lensing' analogy, and was purely a semantical error, not a genuine misunderstanding xD
This seems like an intuitive question, but I've seen some rather contradictory answers on it and am not sure what to think. What I'm curious about is if two photons, A and B, with wavelengths 900nm and 200nm respectively, both start from the same point on the same trajectory passing near a...