69:16
وَانْشَقَّتِ السَّمَٓاءُ فَهِیَ یَوْمَئِذٍ وَاهِیَةٌۙ
Wainshaqqati alssamao fahiya yawmaithin wahiyatun
Translations
And the heaven will split [open], for that Day it is infirm
Saheeh International
And the heaven will split asunder, for that day it will be frail
Marmaduke Pickthall