Carl Sagan, Cosmos

Carl Sagan (1934-1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. He is best known for his work as a science popularizer and communicator (Cosmos: A Personal Voyage (Television series)). His best known scientific contribution is research on extraterrestrial life (SETI Program), including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space: the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them.

Cosmos 8 – “Journeys in Space and Time”
What is Time? Carl Sagan nails it
Carl Sagan – The Cosmic Calendar
Carl Sagan – Time Dilation – Speed of Light

Leave a Reply