Collection: The Seven Heavens

The Sky is divided into 7 layers, including 

• Troposphere
• Stratosphere
• Ozonosphere
• Mesosphere
• Thermosphere
• Ionosphere
• Exosphere

You may also independently confirm it by conducting a Google Search.

Here's what Quran states 1400 years ago:

[Quran 65:12] - Allah is the One who has created Seven Heavens, and their like from earth. The Command descends among them, so that you may know that Allah is powerful over every thing, and that Allah has encompassed every thing in knowledge.

[Quran 41:12] - "So He completed them as seven Heavens in two Days, and He assigned to each heaven its duty and command. And We adorned the lower heaven with lights, and (provided it) with guard. Such is the Decree of (Him) the Exalted in Might, Full of Knowledge."

[Quran 67:3] - Who created seven heavens, one above the other. You will never see any imperfection in the creation of the Most Compassionate. So look again: do you see any flaws?