The Holy Quran 77:9 — Surah Al-Mursalat
Arabic text
وَإِذَا ٱلسَّمَآءُ فُرِجَتْ
Translation
...when the sky will be split (open up)...
Tafsir (excerpt) — Tafsir Usmani
The conditions of the Day of Resurrection: that is, the stars will lose their light, the heavens will split open, and because of the splitting, what look like windows and openings will appear in them.
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