Meanwhile, the Bible has always said the earth is a sphere (Isaiah 40:22).
A man named Dr. Stan Tenen has done extensive mathematical analysis of the Torah.
His research suggests that the opening lines of Genesis provide a key to understanding the true shape, not just of the Earth, but of the whole physical universe.
And here it is -
And here is some further in depth explanation -
Or the earth is a round disk, or it is a square... there actually is no definitive description of the earth as a sphere in the Bible. The Flat Earth Society recognizes this.