yh a guy said to me the bible supports it apparently
There's good evidence that people in the ancient near east (as well as in other cultures) did believe the earth was flat. And so it shouldn't be entirely shocking that when it comes to the Old Testament, being as its texts were written by people from the ancient near east that when they write they use descriptions of the world as they understood it, not necessarily as it actually was. We shouldn't expect things from the Bible which were unknown at the time it was written. That the Bible is divinely inspired doesn't mean that God circumscribed the minds of the writers, but rather they wrote by the guidance and inspiration of the Holy Spirit.
When we read God's word it is imperative that we allow ourselves engage with the text in a meaningful way, and we do that by understanding what the writers were communicating within their historical, cultural, and linguistic contexts.
I'm an English-speaking American living in the early 21st century, I can't read the Bible as though the authors of the biblical texts were the same as me, because they weren't. When I read the letters of St. Paul I have to understand that these were letters addressed to very specific groups of people, who lived two thousand years ago, whose language is not my language, whose culture is not my culture, whose circumstances, understanding of the world, politics, views of economics (et al) are totally foreign from my own. If I don't then I will absolutely and without question completely and utterly misunderstand what is being said.
Understanding that the Bible isn't a science book is important in reading the Bible rightly. The Bible is not a book of science, but a collection of books, accepted by the Christian Church as divinely inspired and authoritative, which have been received, collected, preserved, and confessed because we believe in and through these texts Christ Himself speaks and is present. So that when we hear the Scriptures read we can confess, "This is the word of God", and we can confess that because here in them is Christ and His Gospel, the very word of our salvation that gives us faith and sustains that very faith.
The Bible isn't a science book, it's a library of books about Jesus Christ.
-CryptoLutheran