Study meaning: He created seven heavens in layers. You will see no disorder in the creation of the Most Compassionate. Look again: can you see any break?
The layered heavens are signs of ordered creation. The invitation to look is an invitation to attentive reflection, not a claim that human sight contains all knowledge.
Return to the ayah before this one, then connect the two. At the end of each five-ayah section, recite that section from memory before moving on.
Read Quran 67:3 and consult the linked tafsir in the family guide. The study meaning is simplified for learning.