John Gills Exposition of the Bible Commentary - Genesis 1:6
And God said, let there be a firmament in the midst of the waters ,.... On which the Spirit of God was sitting and moving, Genesis 1:2 part of which were formed into clouds, and drawn up into heaven by the force of the body of fire and light already produced; and the other part left on the earth, not yet gathered into one place, as afterwards: between these God ordered a "firmament to be", or an "expanse" F22 רקיע "expansio", Montanus. Tigurine version; "extensio", Munster, Fagius,... read more
Matthew Henry's Complete Commentary - Genesis 1:6-8
We have here an account of the second day's work, the creation of the firmament, in which observe, 1. The command of God concerning it: Let there be a firmament, an expansion, so the Hebrew word signifies, like a sheet spread, or a curtain drawn out. This includes all that is visible above the earth, between it and the third heavens: the air, its higher, middle, and lower, regions?the celestial globe, and all the spheres and orbs of light above: it reaches as high as the place where the stars... read more