Surah As-Saffat 37:6

إِنَّا زَيَّنَّا ٱلسَّمَآءَ ٱلدُّنْيَا بِزِينَةٍ ٱلْكَوَاكِبِ

Indeed, We have adorned the nearest heaven with an adornment of stars

Translation: Saheeh International

Tafsir

We have indeed adorned the lowest heaven with an adornment the stars that is to say adorned with their light or with them the stars the genitive annexation bi-zīnati’l-kawākib is for explication; …

Excerpt from Tafsir al-Jalalayn, commentary on 37:6, via Quran.com. The reader has the full commentary and 9 more tafsirs.