69:16
وَٱنشَقَّتِ ٱلسَّمَآءُ فَهِىَ يَوْمَئِذٍ وَاهِيَةٌ
wa-inshaqqati l-samāu fahiya yawma-idhin wāhiyatun
The sky will be torn apart on that Day, it will be so frail.
And the heaven will be rent asunder, for that Day it (the heaven) will be frail and torn up.