(Athwariq) 86 : 11
وَالسَّمَاءِ ذَاتِ الرَّجْعِ
By the sky which will be turned back to its earlier state.
It is told in verse 55: 37 that on the Day of Judgement, the sky will be melted and will become like ointment, red in colour. See explanation 21: 30; 70: 8; and 78: 17–20.