Quran Al-Jinn 72:8
وَأَنَّا لَمَسۡنَا ٱلسَّمَآءَ فَوَجَدۡنَٰهَا مُلِئَتۡ حَرَسٗا شَدِيدٗا وَشُهُبٗا ٨
Translation
And we have sought [to reach] the heaven but found it filled with powerful guards and burning flames.
وَأَنَّا لَمَسۡنَا ٱلسَّمَآءَ فَوَجَدۡنَٰهَا مُلِئَتۡ حَرَسٗا شَدِيدٗا وَشُهُبٗا ٨
And we have sought [to reach] the heaven but found it filled with powerful guards and burning flames.