What are two onomatopoeic words for 'sun'?

The sun makes no sound, so technically, there can be no onomatopoeic Words for "sun." However, you can imagine the sun making sounds, such as the popping out of solar flares, swirling and rushing gases, the sound of a continual explosion and so on. If that were the case, you would choose Words that give imaginary sound to the action you are describing, probably using Words and phrases that are heavy (or rich) in sounds like s, r, f and sh, for swirling gases, and the explosive consonants (b, d, k, p, and t).