Watch Cosmos: A Personal Voyage Season 1 Episode 12 Online with Multi Subtitles - NetPrime

Watch Watch Cosmos: A Personal Voyage Season 1 Episode 12 Online with Multi Subtitles - NetPrime on NetPrime - Are there extraterrestrial intelligences? How could we communicate with them? What about UFOs? The answers to these questions take us to Egypt to decode ancient hieroglyphs, to the largest radio telescope on Earth, and to the Spaceship of Imagination, to visit other civilizations in space. Dr. Sagan answers questions such as: "What is the lifespan of a planetary civilization?" and "Will we ever connect to a network of civilizations in the Milky Way galaxy?"