Cosmos: A Personal Voyage (1980)

S1E2 One Voice in the Cosmic Fugue

Dr. Sagan’s cosmic calendar provides a clear perspective on the universe's timeline, highlighting the Earth’s origins and the progression of life. We witness the journey of evolution, starting from simple microbes and culminating in humans. This knowledge about life’s development on our planet inspires us to explore other worlds, sparking creative ideas about the diverse forms that life could possibly take beyond Earth.