If it is spinning, what is the axis? That would mean there is a literal "center" (line) of the universe. If the universe is infinite, how can that work? This ar

If it is spinning, what is the axis? That would mean there is a literal "center" (line) of the universe. If the universe is infinite, how can that work? This article is too... Laymanized... To make sense to my admittedly layman's but reasonably well educated mind.