The Cosmic Calendar

Many years ago, in 1977, astronomer and author Carl Sagan offered us the concept of a “Cosmic Calendar” in his book The Dragons of Eden.  It’s a fun thought experiment in which you take the entire history of the universe, from the Big Bang until now, and represent it as calendar year. 

For show notes and more, please visit https://EvolutionTalk.com

Written, Produced, & Narrated by: Rick Coste