Figure 6. Velocity of light in the absolutely moving observer’s inertial frame. The light front forms the prolate spheroid (ellipse in 2D representation), with the source of emission located in the “frontal” focus, compatible with the direction and sense of the absolute velocity vector

From

Why and How Special Relativity Fails in the Second Spatial Dimension? An Introduction to the Preferred Frame Theory

Maciej Rybicki

International Journal of Physics. 2024, 12(4), 175-195 doi:10.12691/ijp-12-4-5