(Who has created the seven heavens one above the other;) meaning stacked one on

(Who has created the seven heavens one above the other;) meaning stacked one on top of the other. Are they connected to each other, meaning that they are in elevated ascension, some of them being stacked above others, or separated with space between them There are two views concerning this, and the most correct opinion seems to be the latter as is proven in the Hadith of Isra' (the Prophet's Night Journey) and other narrations. Concerning Allah's statement,