The Big Stars - 85:1 And to the heaven of the galaxies.
Galaxies in the sky:
The Criterion/25:61 Exalted is He who has set constellations in the sky and placed in it a lamp and a shining moon.
تَبَارَكَ الَّذ۪ي جَعَلَ فِي السَّمَٓاءِ بُرُوجاً وَجَعَلَ ف۪يهَا سِرَاجاً وَقَمَراً مُن۪يراً



The Rocky Tract/15:16 We placed galaxies in the sky and adorned them for those who observe.
وَلَقَدْ جَعَلْنَا فِي السَّمَٓاءِ بُرُوجاً وَزَيَّنَّاهَا لِلنَّاظِر۪ينَۙ

Explained in Detail/41:12 So He completed them in two days as seven heavens and revealed to each heaven its special laws. And We equipped the lowest heaven with lamps and a system of protection. This is the plan of the Supreme and All-Knowing.
فَقَضٰيهُنَّ سَبْعَ سَمٰوَاتٍ ف۪ي يَوْمَيْنِ وَاَوْحٰى ف۪ي كُلِّ سَمَٓاءٍ اَمْرَهَاۜ وَزَيَّنَّا السَّمَٓاءَ الدُّنْيَا بِمَصَاب۪يحَۗ وَحِفْظاًۜ ذٰلِكَ تَقْد۪يرُ الْعَز۪يزِ الْعَل۪يمِ