असौ वै लोकोऽग्निर्गौतम तस्यादि-त्य एव समिद्रश्मयो धूमोऽहरर्चिर्दिशो-ऽङ्गारा अवान्तरदिशो विस्फुलिङ्गास्त-स्मिन्नेतस्मिन्नग्नौ देवाः श्रद्धां जुह्वति त-स्या आहुत्यै सोमो राजा संभवति ॥
In plain words
That world up there, Gautama, is itself a fire: the sun is its burning fuel, the sunbeams are its smoke, daylight is its flame, the four directions are its glowing coals, and the directions between them are its scattering sparks. Into that very fire, the gods pour their faith as an offering. And out of that offering, King Soma is born.
Close to the Sanskrit
That world yonder, indeed, O Gautama, is the fire; of it, the sun itself is the fuel, the rays are the smoke, the day is the flame, the quarters are the coals, the intermediate quarters are the sparks. In this very fire, the gods offer faith as oblation. From that oblation, King Soma arises.