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How Fast Is Light Really?
Автор: Approximately Everything
Загружено: 2025-07-16
Просмотров: 3
Описание:
Light travels nearly 300,000 kilometers per second — fast enough to feel instant here on Earth. But zoom out to a cosmic scale, and suddenly... that speed reveals something strange: a window into the past.
In this video, we’re diving into a wild thought — that distant civilizations (if they’re out there) might be watching Earth’s history unfold, like a real-time broadcast from the past. Imagine aliens catching the construction of the pyramids... or the Colosseum going up, brick by brick.
It’s all possible — thanks to the weird truth about light speed.
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