Al-Mulk 67:3

ٱلَّذِي خَلَقَ سَبۡعَ سَمَٰوَٰتٖ طِبَاقٗاۖ مَّا تَرَىٰ فِي خَلۡقِ ٱلرَّحۡمَٰنِ مِن تَفَٰوُتٖۖ فَٱرۡجِعِ ٱلۡبَصَرَ هَلۡ تَرَىٰ مِن فُطُورٖ 3

[And] who created seven heavens in layers. You do not see in the creation of the Most Merciful any inconsistency. So return [your] vision [to the sky]; do you see any breaks