YOU SAID:

I saw a jellyfish flying through the clouds

INTO JAPANESE

クラゲが雲の中を飛んでいるのを見た

BACK INTO ENGLISH

I saw jellyfish flying in the clouds.

INTO JAPANESE

クラゲが雲の中を飛んでいるのを見た。

BACK INTO ENGLISH

I saw jellyfish flying in the clouds.