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تفسير القرآن

Al-Samʿānī

أبو المظفر السمعاني (ت ٤٨٩ هـ)

Short and steady — the plain meaning, with the reports that bear on it and little else.

Al-Mursalāt 77:9 Juzʾ 29 Page 580

‏‏‏ ‏‏‏‏‏‏ ‏‏‏‏ ‏

And when the heaven is opened

Read in the muṣḥaf

وَقَوله: ‏‏‏ ‏‏‏‏‏‏ ‏‏‏‏ أَي: شقَّتْ.

The same ayah, in another commentary

Al-Mursalāt 77:9