And over the head of the living creature there was the likeness of a firmament, like the terrible crystal to look upon, stretched forth over their heads above. (ASV)
"Now it came to pass in the thirtieth year, in the fourth month, on the fifth day of the month, as I was among the captives by the River Chebar, that the heavens were opened and I saw visions of God."
This is a vision and the images within the vision are not required to reflect reality.
No argument has been presented to show otherwise or to support the argument for error.
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