Same old.
The illusion of the blue sky appearing as a “solid” background is what the “firmament” is referring to. Birds fly through apparently transparent part of the sky, and hence that separation, whereas stars do not appear suspended in air but rather, suspended in the “solid background” behind the transparent air, due to the loss of perception of depth at that distance.
But yea, keep spinning this with the mythology of “firmaments” and whatnot, and tell me how water separation fits into all this.
As I see it, the falling rain appearing out of no visible source in the sky is the water that the ancients called “from beyond the firmament”. Your “explanations” on the other hand require one to indulge in extreme obfuscation, in order to try and fit that water separation part in the entire narrative.
It is you who must do the spin, and thus you have moving stars and clouds etc. moving in different directions in a solid Heaven, and cannot allow firmament to mean a stretched out expanse which God placed as a separation , and which does consist of matter, and in which He placed moving things, including birds flying. Note also that Hebrew words involved are open to some variation in rendering.
I am honestly sorry if the atheistic “firmament” of your mind cannot tolerate such even as a possibility, but require it to confirm to your complicated desired construct.
And all your speculation on how the *mythology* developed is just that, baseless speculation because you weren’t there to observe the origin of the *myths*. It’s just what works for you to explain it away.
Your OPINION has been duly noted.
You can’t prove Scripture wrong on opinion.
I think the hydroplate theory explains this water separation fairly well since firmament iirc could be defined as earth and/or air. see creationscience.com where the water separation in Gen 1:6-7 might imply subterranean water - water that later flooded the earth when the fountains of the great deep burst open [Gen 7:11] and then it rained [1st recorded rain in Genesis] for 40 days and nights.