Last Updated
：2025/11/22
clock paradox
Noun
Japanese Meaning
相対性理論における時計逆説。2人の観測者が同じ時計を持って出発し、異なる時空経路（特に一方が相対論的速度で移動する場合）をたどり、再び合流した際に、各々の時計で示される経過時間が異なる現象
（ plural ）
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(relativity) The phenomenon in which two observers who start together with identical clocks, follow different timelines, and then rejoin can have different elapsed times on their clocks, especially if one travels at a relativistic speed.
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clock paradox
Physicists often cite the clock paradox when explaining how two synchronized watches can record different elapsed times after one vehicle travels near light speed and returns.
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Physicists often cite the clock paradox when explaining how two synchronized watches can record different elapsed times after one vehicle travels near light speed and returns.
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