Last Updated：2025/11/22

(astronomy) That part of any redshift that is accounted for by the expansion of spacetime following the Big Bang

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cosmological redshift

Source Word

cosmological redshift

Noun

uncountable

(astronomy) That part of any redshift that is accounted for by the expansion of spacetime following the Big Bang

Japanese Meaning

宇宙論的赤方偏移：ビッグバン以降の時空間の膨張によって生じる、天体からの光の波長が伸びる現象。

天文学者たちは遠方のクエーサーのスペクトルで、ビッグバン後の時空の膨張に起因する赤方偏移を検出し、宇宙の膨張を強く示す証拠を得た。

Sense（1）

(astronomy) That part of any redshift that is accounted for by the expansion of spacetime following the Big Bang