and indeed he has created you through various grades do you not see how allah has created the seven heavens one above another and made the moon therein a light and made the sun a lamp?
وقد خلقكم أطوارا ألم تروا كيف خلق الله سبع سماوات طباقا وجعل القمر فيهن نورا وجعل الشمس سراجا