Hi all, This is my first endeavor into the astronomy forum. I have a question, regarding three things I think I know about the universe. 1. the universe started as a singularity. 2. it has expanded to 78 billion light-years across. 3. it did that in only 13.7 billion years. How did it do that without things moving faster than the speed of light, relative to other things? I'm sure someone has answered this Q before, but I couldn't find anything. Feel free to direct me to another thread instead of answering this Q again.