The universe has a talent for making even the wildest science fiction sound reasonable. Distances are beyond human comprehension, stars can explode, and events that happened millions or even billions of years ago can still be seen from Earth today. The strangest part is that these are not hypothetical ideas invented for a movie. They are observations, measurements, and physical phenomena that scientists have spent decades trying to understand. Some of them involve numbers so enormous that they stop feeling real, while others completely change the way we think about the sky above us. Once you start looking closely, space gets very weird very quickly.
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