By the novel’s end, what has replaced the tyranny of farmer jones?

Ipresume you're speaking of animal farm.
the answer is the pigs. by the end of the book, the pigs had become even more tyrannical than farmer jones had been.

The big bang theory suggests that the universe is constantly expanding and that stars, galaxies and other entities are moving away from each other. if there were a galaxy moving closer to earth then that would contradict the big bang theory since the entities should be moving away from earth and from each other.