If there were 10 pennies and 7 of them were spinning the same direction, you might say one direction appears to be favored. Spiral galaxies spin, they do not t

If there were 10 pennies and 7 of them were spinning the same direction, you might say one direction appears to be favored. Spiral galaxies spin, they do not tumble unless hit by another galaxy. Elliptical galaxies are like gravitational convection and don't really have cohesive "rotation", however.