Quran 78:19 from Surah An-Naba on Divine Marvels.
وَفُتِحَتِ ٱلسَّمَآءُ فَكَانَتۡ أَبۡوَٰبٗا
English translation: And is opened the heaven and becomes gateways
Transliteration: wafutihati al-samau fakanat abwaban