'He spreads out the northern [skies] over empty space; he suspends the earth over nothing.' Job 26:6 NIV
The above comment, along with all of those in the passage that contains it, is made to point out the great power of the creator, not to inform about the physical world. The Bible is never a science textbook, and should never be taken as such.
'Please note that I have edited to the OP to correct the date when Copernicus published his book. That particular transposition is an easy mistake because Martin Luther, a high profile critic of Copernicus, published his Bible in 1534 while Copernicus (the great nemesis of Renaissance Christianity) published in 1543. I'd hate to tell you how often I've gotten those numbers turned around.