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A comment on Simple streetlight hack could protect astronomy from urban light pollution. Parent comment

Re:Simple streetlight hack could protect astronomy from urba... by sand500 on Monday November 20, 2023 @02:11PM (#38352893)
Dont you have propagation delay in reverse too? Let's say you do turn off all the lights at the exact same time. The light hitting the telescope also travels at the speed of light.
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