Question

Calculate the size of stelar aberration effect in newtonian physics for light coming straight down at speed c and a telescope moving straight sideway at speed v

Answer 1

According to the rule of addition of velocities in Newtonian physics, but taking into account the independence of the speed of light from the reference frame $sin\theta = \frac{v}{c}$

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and since the angle is small, then $\theta = \frac{v}{c}. ​$