: The universe expanded from an extremely small, hot, and dense state and has been cooling ever since.
: Key proofs include the Cosmic Microwave Background (CMB) and the observed expansion of space. The Big Bang Theory image
"Our whole universe was in a hot dense state..." (Theme song lyrics). "Nothing bonds people quite like the Vulcan salute. 🖖" : : The universe expanded from an extremely small,
What Is the Big Bang? | NASA Space Place – NASA Science for Kids "Nothing bonds people quite like the Vulcan salute
Depending on whether your image is about the or the popular TV show , here is useful text and context to accompany it. For the Cosmological Theory
Use these quotes and phrases for images of Sheldon, Leonard, Penny, and the rest of the gang. : "Bazinga!" — Sheldon Cooper's trademark joke signal.
: The idea that the universe began as a single point, then expanded and stretched to its current size.