Remember, the bible was written thousands of years ago before scientists 'discovered' all of these things, even though it was right in front of them!
The greeks measured the circumference of the earth to a high degree of accuracy and knew it was a sphere long before the bible was written.
No, Isaiah lived about 650 BC and Pythagoras about 500. Pythagoras has the oldest statement we know of that the world was round.
However, Eratosthenes, working in Egypt measured the size of the Earth about 240 BC and (assuming he meant his measurements as Egyption stadions) got it right to 2%. Or maybe within 20% if he intended some other city state's stadion.
Now, the pagan Greeks did have a Bible. It was never bound in a volume nor did a priesthood canonize or edit it. But as you read the ancient Greeks they refer (as in the Trial of Socrates) to "Homer and Hesiod". "Homer" did not mean his Illiad and Odyssey but a pagan Book of Psalms he wrote called the Homeric Hymns. Hesiod (about 700 BC) was the undoubted author of a wisdom book, Works and Days
and the (doubted) author of The Theogony
. According to Zeno of Elea (famous for Zeno's Paradoxes) who lived about 500 BC, said Hesiod had said words to the effect that the world was a sphere.
Hesiod was about the same time as Isaiah -- maybe before him. I don't know what the lines of Hesiod which Zeno said showed he knew the world was round. Possibly Zeno was like SoulSaved, trying hard to attribute scientific truth to a sacred writing because he wanted to believe it.
So, Illuminatus99, much of the Bible was written about the same time as, not before the Greeks writing.
Here's a hilarious site of Koranic Science which claims that
Allah revealed the sphericity of the Earth in the Koran long before science knew about it.
How's that you wonder? The Koran is later than the Bible or the Greek scientists, right? Oh, thou foui unbeliever, may a thousand camels defecate on your lawn
Here is the true history:
Koran 650 CE
Sputnik 1957 CE. For it was not until Sputnik I sent back photos that scientists knew the world was round.
If you think I'm exaggerating here is the link: Quran-m.com -- Sphericity of the Earth