Surah Al-Mulk, ayah 3

ٱلَّذِي خَلَقَ سَبۡعَ سَمَٰوَٰتٖ طِبَاقٗاۖ مَّا تَرَىٰ فِي خَلۡقِ ٱلرَّحۡمَٰنِ مِن تَفَٰوُتٖۖ فَٱرۡجِعِ ٱلۡبَصَرَ هَلۡ تَرَىٰ مِن فُطُورٖ ٣

Alladhī khalaqa sab'a samāwātin tibāqam mā tarā fī khalqir-rahmāni min tafāwutin farji'il-basara hal tarā min futūr

[And] who created seven heavens in layers.¹⁷¹² 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?