If i eat 8 pies in 5 minutes how much i spent on each one

You would spend a grand total of one minute and six seconds on each pie or 1.6

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.