﴿ أَفَلَمْ يَنظُرُوٓا۟ إِلَى ٱلسَّمَآءِ فَوْقَهُمْ كَيْفَ بَنَيْنَٰهَا وَزَيَّنَّٰهَا وَمَا لَهَا مِن فُرُوجٍۢ ﴾

“Do they not look at the sky above them - how We have built it and made it beautiful and free of all faults?”

Please check ayah 50:11 for complete tafsir.