: Key proofs include the Cosmic Microwave Background (CMB) and the observed expansion of space.
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 Big Bang Theory image
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 : Key proofs include the Cosmic Microwave Background
Are you writing a , a school project , or a meme ? Which character or space object is featured in your image? Depending on whether your image is about the
: Most physicists believe the universe was born approximately 13.8 billion years ago .
: The universe expanded from an extremely small, hot, and dense state and has been cooling ever since.