Sura 69 Al-Haqqа (The Inevitable), ayah 16

1. وَانْشَقَّتِ السَّمَاءُ فَهِيَ يَوْمَئِذٍ وَاهِيَةٌ

   And the heaven will split (open), for that Day it is infirm.

   69:16

Translation: Saheeh International