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The speed of light (about 300,000 km/s) is the universe’s speed limit, per Einstein’s Theory of Relativity. As an object with mass gets closer to this speed, it needs way more energy to keep accelerating—needing infinite energy at light speed, which is impossible. So, nothing with mass can hit or pass that speed. Going faster than light would mess up cause and effect, creating weird paradoxes, like entering a room before you even walk in, as Carl Sagan explained. | Historyinmemes
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Carl Sagan - A Cosmic Speed Limit ❤☮🌎 #carlsagan #cosmos | Saganism
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