Surah Al-Mulk 67:3

ٱلَّذِى خَلَقَ سَبْعَ سَمَـٰوَٰتٍ طِبَاقًا ۖ مَّا تَرَىٰ فِى خَلْقِ ٱلرَّحْمَـٰنِ مِن تَفَـٰوُتٍ ۖ فَٱرْجِعِ ٱلْبَصَرَ هَلْ تَرَىٰ مِن فُطُورٍ

[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?

Translation: Saheeh International

Tafsir

Who created seven heavens in layers one above the other without any contact between them. You do not see in the Compassionate One’s creation of these or of other things any irregularity any disparity or discordance. …

Excerpt from Tafsir al-Jalalayn, commentary on 67:3, via Quran.com. The reader has the full commentary and 9 more tafsirs.