PURPORT

The predominating Deity within the sun is Hiranmaya, Lord Narayana. He is worshiped by the Gayatri mantra: om bhur bhuvah svah tat savitur varenyam bhargo devasya dhimahi. He is also worshiped by other hymns mentioned in the Rg Veda, for instance: dhyeyah sada savitr-mandala-madhya-varti. Within the sun, Lord Narayana is situated, and He has a golden hue.