Surah Nuh (Noah), Verse 15

اَلَمْ تَرَوْا كَیْفَ خَلَقَ اللّٰهُ سَبْعَ سَمٰوٰتٍ طِبَاقًا ۟

Alam taraw kaifa khalaqal laahu sab'a samaawaatin tibaaqaa

“"'See ye not how Allah has created the seven heavens one above another,”

Quran 71:15 (Yusuf Ali Translation)