Bible Discussion Thread

From where did all the water come?

Gen.1:6-8 defines "the firmament" as "heaven", which I think means atmospheric heaven (not outer space, not Heaven-God's throne place.)
Gen 1:6-8 describes "waters above the firmament" and "waters under the firmament".
Therefore I should visualize waters above the atmospheric heaven, much more than clouds.

Then in Genesis 7,

Genesis 1:6-8 "And God said, Let there be a firmament in the midst of the waters, and let it divide the waters from the waters. And God made the firmament, and divided the waters which [were] under the firmament from the waters which [were] above the firmament: and it was so. And God called the firmament Heaven. And the evening and the morning were the second day."

Elements of Genesis 1:6-8:
"firmament" is "Heaven". Seems to me that this means the atmospheric heaven.
1. "Waters which were above the firmament": seems to be signficant water up there, more than modern day clouds.
2. "waters which were under the firmament": seems to be surface waters plus subterranean water.

Then the water in Genesis 7 came from both places:
2. "were all the fountains of the great deep broken up" (some of the waters below the firmament),
1. "and the windows of heaven were opened" (the windows let through the waters from above the firmament).

What do you think?