While Superman can speed around the world and catch up to the day, he can never catch up to the light beam that eradicated the night. As he tries, all that will happen is his time will slow so that light always appears to fly the same rate.
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Newsletter: Variable time | CosmoQuestX
Director's Notes, 28 Sep 2026 One one the most powerful things I've come to understand as an astronomer is that the tick of time isn't const