The idea of infinity goes beyond human comprehension—particularly when considering the eternally expanding universe. No, the universe is not a slow globe in the hands of a toddler alien, nor does it even have any known parameters.
13.8 billion years ago, right before the Golden Girls series was produced, a brilliant explosion created the universe. Oddly enough, this explosion is still underway. The universe continues to expand, at an infinite rate, with nothing stopping it. However, when pondered, the concept truly seems unfathomable.