It rises at one end of the heavens and makes its circuit to the other, nothing is hidden from its heat.
This verse shows that they were not ignorant about science. Verse 4 says GOD "pitched a tent for the sun." The NIV footnotes say that the sun is a mere creature of GOD, that the sun is the "supreme metaphor of the glory of GOD." It "sweeps across the whole extent of the heavens and pours out its heat on every creature."