Surah An-Naba 78:13
وَجَعَلْنَا سِرَاجًا وَهَّاجًا
And made [therein] a burning lamp
Translation: Saheeh International
Tafsir
and set a radiant lamp? namely the sun
Excerpt from Tafsir al-Jalalayn, commentary on 78:13, via Quran.com. The reader has the full commentary and 9 more tafsirs.