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Sleep Science · Yesterday · 2 hr

Why Physics Makes Interstellar Travel IMPOSSIBLE

Let the quiet, unyielding laws of physics carry you into sleep. The universe has built walls against star travel that no technology can breach. Reaching even the nearest star within a lifetime would require near-light-speed—but any craft with mass would need infinite energy to get there . Time dilation would make the crew exiles, returning to a world centuries older . A soothing reflection on our beautiful, permanent place in the cosmic dark.

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Let the quiet, unyielding laws of physics carry you into sleep. The universe has built walls against star travel that no technology can breach. Reaching even the nearest star within a lifetime would require near-light-speed—but any craft with mass would need infinite energy to get there . Time dilation would make the crew exiles, returning to a world centuries older . A soothing reflection on our beautiful, permanent place in the cosmic dark.

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