Dear Mapleroyals; There are plenty of trolls and just plain jerks on the internet, but not so many on here, so I thought I would ask an astronomical question that will change the way you think about the world. If the universe is unlimited, why has Haleys Comet made more than one pass near the earth? Wouldn't it be infinitely going in a straight line? Unless, of course there were one giant mass in the universe, and Haley's comet is actually traveling in an arc. (Please try to take this thread seriously.)