Explained in Detail - 41:12 So He completed them in two days as seven heavens and revealed to each heaven its special laws. And We equipped the lowest heaven with lamps and a system of protection. This is the plan of the Supreme and All-Knowing.
What is the intention?
Those Who Set The Ranks/37:6 We adorned the lowest heaven with planets,
Those Who Set The Ranks/37:7 We have made a protection against every stubborn devil.
Those Who Set The Ranks/37:8 They cannot listen to the great assembly; they are thrown from every side.
Those Who Set The Ranks/37:9 They will be expelled; they deserve a torment everlasting.
Those Who Set The Ranks/37:10 If a word is snatched away, it is followed by a piercing ray.

The Kingdom/67:5 We adorned the lowest heavens with lamps and made them a stoning for the devils, and We prepared for them the torment of the blazing Fire.

Explained in Detail/41:12 So He completed them in two days as seven heavens and revealed to each heaven its special laws. And We equipped the lowest heaven with lamps and a system of protection. This is the plan of the Supreme and All-Knowing.

The Jinn/72:1 "Say, "It has been revealed to me that a group of the jinn listened and said:""We have heard an interesting Qur´an."
The Jinn/72:2 It guides to the truth, and we have believed in it; henceforth we will not associate anyone with our Lord.
The Jinn/72:3 Our Lord is the Most High. He has not taken a wife or a child.
The Jinn/72:4 It was that foolish one of ours who spoke nonsense about Allah.
The Jinn/72:5 We thought that mankind and jinn could not invent a lie against Allah.
The Jinn/72:6 But some men used to take refuge with some jinn, and that increased their transgression.
The Jinn/72:7 They thought that Allah would not send anyone, just as you think.
The Jinn/72:8 We touched the heaven and found it guarded by strong guards and balls of fire.
The Jinn/72:9 We used to sit there as spies, but now whoever wants to listen will find a ball of fire watching him.
The Jinn/72:10 We do not know whether evil is planned for those on the earth or whether their Lord has willed good for them.
The Jinn/72:11 There are among us the righteous and the lowly; we are divided into various sects (paths).

The Prophets/21:32 We made the sky a protected ceiling. Yet they are indifferent to the signs in it.