Yes, it is left over momentum from the big bang. It's crazy to think, but objects are still in the process of "settling down" 13.5 billion years later. They wil

Yes, it is left over momentum from the big bang. It's crazy to think, but objects are still in the process of "settling down" 13.5 billion years later. They will probably continue to do it since there is no other force acting upon them.