The Prophets - 21:104
On that Day We will fold the heaven as if it were a file and return it to the state in which We started the creation. A promise is upon Us; We shall surely fulfill it.
The first state of the sky:
The Prophets/21:30
Do not those who disbelieve see that the heavens and the earth were joined together and We exploded them? And We created every living creature from water. Will they still not believe?