(Prov 8:26-27 NRSV) when he had not yet made earth and fields, or the world’s first bits of soil. When he established the heavens, I was there, when he drew a circle on the face of the deep, …
(Isa 40:22 NRSV) It is he who sits above the circle of the earth, and its inhabitants are like grasshoppers;
Some fundamentalist Christians claim that the Old Testament Biblical authors knew that the Earth is a sphere floating in space hundreds of years before the Greeks first suggested such an idea.
But the Biblical authors thought the earth was flat just like all other primitive people did in ancient times before the Greeks in the 3rd century BCE.
Some will claim that the ancient Hebrews had no word for sphere and that’s why they had to substitute the word “circle” which just by coincidence happens to indicate a flat circular earth. However that’s false. The ancient Hebrews had a word for “ball” which would have been a much closer substitution than “circle.”
Old Testament Biblical authors also believed that the earth was supported by pillars:
(1 Sam 2:8 NRSV) For the pillars of the earth are the Lord’s, and on them he has set the world.