: Most physicists believe the universe was born approximately 13.8 billion years ago .
What Is the Big Bang? | NASA Space Place – NASA Science for Kids The Big Bang Theory image
: The idea that the universe began as a single point, then expanded and stretched to its current size. : Most physicists believe the universe was born
"Our whole universe was in a hot dense state..." (Theme song lyrics). "Nothing bonds people quite like the Vulcan salute. 🖖" : The Big Bang Theory image
"Soft Kitty, warm kitty, little ball of fur..." — The ultimate comfort song. :