YOU SAID:

Our whole universe was in a hot dense state when nearly 40 million years ago expansion started wait

INTO JAPANESE

約4000万年前に膨張が始まったとき、私たちの宇宙全体は高温高密度状態にありました

BACK INTO ENGLISH

When the expansion began about 40 million years ago, our entire universe was in a state of high temperature and density.

INTO JAPANESE

膨張が約 4000 万年前に始まったとき、私たちの宇宙全体は高温と密度の状態にありました。

BACK INTO ENGLISH

When the expansion began about 40 million years ago, our entire universe was in a state of high temperature and density.