"Our whole universe was in a hot dense state..." (Theme song lyrics). "Nothing bonds people quite like the Vulcan salute. 🖖" :
: The idea that the universe began as a single point, then expanded and stretched to its current size. The Big Bang Theory image
What Is the Big Bang? | NASA Space Place – NASA Science for Kids "Our whole universe was in a hot dense state
: You can learn more about the early universe through NASA's Space Place or detailed explainers at Space.com . 📺 For the TV Show The Big Bang Theory image