The whole point of a scripture can be taken from the context and the origional greek/hebrew languages. Job 26:7 clearly points to the earth as hanging upon nothing, having no supports.

In the original Hebrew, the word for “nothing” used here means “not any thing,” and this is the only time it occurs in the Bible. The picture it presents of an earth surrounded by empty space is recognized by scholars as a remarkable vision for its time. The Theological Wordbook of the Old Testament says: “Job 26:7 strikingly pictures the then-known world as suspended in space, thereby anticipating future scientific discovery.