What better and more fitting analogy could there be for the "Son" than to call the source of life and light here on earth the "sun"? Perhaps God's intent was that as we speak of the sun we might pause and see the light (pun intended).
Journeying to the heart of what is true
For to us a child is born, to us a son is given; and the government shall be upon his shoulder, and his name shall be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace. Isaiah 9:6 I sit before our Christmas tree, sparkling with lights and adorned with bright and shiny packages, waiting for my kids to wake [...]