"And of His signs"—that is, the proofs of His Oneness—"are the night and the day and the sun and the moon. Do not prostrate to the sun or to the moon, but prostrate to Allah, who created them," meaning, who created His signs.
﴿وَمن آيَاته﴾ من عَلَامَات توحيده ﴿اللَّيْلُ وَالنَّهَارُ وَالشَّمْسُ وَالْقَمَرُ لَا تَسْجُدُوا لِلشَّمْسِ وَلا لِلْقَمَرِ وَاسْجُدُوا لِلَّهِ الَّذِي خَلقهنَّ﴾ خلق آيَاته