Surah Al-Hijr, ayah 16

وَلَقَدۡ جَعَلۡنَا فِي ٱلسَّمَآءِ بُرُوجٗا وَزَيَّنَّٰهَا لِلنَّٰظِرِينَ ١٦

Walaqad ja'alnā fis-samā'i burūjan wazayyannāhā lin-nāzirīn

And We have placed within the heaven great stars and have beautified it for the observers.