This might be a pleasing combination of flattening and aberration.
In the boosted grid, the telescope is flattened, its direction changes, and it's no longer 'pointing at Arcturus' (say), but the photon from Arcturus still proceeds from the objective to the eyepiece (as it must; the fact that the human observer is seeing Arcturus can't be changed by a boost).
If you model the light from Arcturus as a plane monochromatic wave, the wave vector ki undergoes aberration during the boost.
This is all just looking at the same old effect of aberration in a different way.
Or, you can say that this is another case in which a time-slice (geometry) differs from a light-slice (optics).
johanley
commented
1 month ago
This might be a pleasing combination of flattening and aberration.
In the boosted grid, the telescope is flattened, its direction changes, and it's no longer 'pointing at Arcturus' (say), but the photon from Arcturus still proceeds from the objective to the eyepiece (as it must; the fact that the human observer is seeing Arcturus can't be changed by a boost).
If you model the light from Arcturus as a plane monochromatic wave, the wave vector ki undergoes aberration during the boost.
This is all just looking at the same old effect of aberration in a different way.
Or, you can say that this is another case in which a time-slice (geometry) differs from a light-slice (optics).