What do You think about theoretical high tower on meridian? Let's say 25 light hours height. Considering three observers, at the bottom, at the top and in space next to the top passing him. The linear speeds are very height and the photons from Earth encounter a tower on their path. What the three observers would see in such case?

put on hold as unclear what you're asking by Norbert Schuch, John Rennie, StephenG, Qmechanic Aug 10 at 13:45

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