سورة Al-Anbiya 21:32

وَجَعَلْنَا ٱلسَّمَآءَ سَقْفًۭا مَّحْفُوظًۭا ۖ وَهُمْ عَنْ ءَايَـٰتِهَا مُعْرِضُونَ ٣٢

And We have made the sky a well-protected canopy, still they turn away from its signs