Last Updated
：2025/11/21
light cone
Noun
Japanese Meaning
相対性理論において、ミンコフスキー時空内で、光の一瞬の発光が時間とともに広がる様子を示す構造。水平な空間軸と垂直な時間軸を用いて表現され、光が届く範囲やその境界を定義する。
（ plural ）
Quizzes for review
(physics): In special relativity, the pattern describing the temporal evolution of a flash of light in Minkowski spacetime. This is modeled in 3-space using the two horizontal axes as spatial dimensions, while the vertical axis is time.
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light cone
By drawing the light cone on the spacetime diagram, students can visualize how a flash of light expands over time in special relativity.
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By drawing the light cone on the spacetime diagram, students can visualize how a flash of light expands over time in special relativity.
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