Think rapid expansion of Space - Time, and any number of things could have tipped it off. (religion.blogs.cnn.com)
While no object can move through space faster than the speed of light, the speed limit does not apply to the actual expansion of space itself. (religion.blogs.cnn.com)
The walls and floor of the space are covered with mirrors, enabling viewers to experience a seemingly infinite expansion of space with no edges or borders. (lehmannmaupin.com)