A collection of good articles on the issue of Cosmology and the OT:
Is the raqiya a solid dome?
Is the raqîa‘ (‘firmament’) a solid dome?
Steve Hays thoughts on the topic
Genesis 1 as Ancient Cosmology
Genesis and ancient Near Eastern stories of Creation and the Flood: an introduction
Review Of John H. Walton, The Lost World Of Genesis One
The “Solid” Firmament View Refuted.
Is the ’erets (earth) flat?
