The hermaphro-wheel drops into darkness, and as usual we question whether the one we see dropping in this shot is the one we saw spinning in the last shot.
So much rhetorical doubt. Do you really look into your coffee to see your face? Nope, and if you don't drink yours with milk, you don't look in to see the swirling galaxies either. Just nothing in there... and if you stick a sugar cube half way in, wow, the coffee just crawls right up and eats it all away.