Appears 4 times in the Quran.
25:61 تَبَارَكَ ٱلَّذِى جَعَلَ فِى ٱلسَّمَآءِ بُرُوجًا وَجَعَلَ فِيهَا سِرَٰجًا وَقَمَرًا مُّنِيرًا
Blessed is He Who made the constellations in the heavens and made therein a lamp and a shining moon.
And as one inviting to Allah by His permission, and as a light-giving torch.
And made the moon therein a light, and made the sun a lamp?
And We made a shining lamp,