Simply the Best Documentaries

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The Cities
The Battle Of The Teutoburg Forest
Last  Killers
What Is Out There
Alien Planets Revealed
The Great Survivors
Dark Future of the Sun
History of the Eagles 1
Is Luck Real
Children 404
Swallowed by a Black Hole
Stephen Hawking Favorite Places III
The Kingdom How Fungi Made Our World
Neptune and Uranus
That Sugar Film
Cooked: Fire
What is the Right Diet for You 2of3
The Making of Jurassic Park
Evolution: The Evolutionary Arms Race
Stephen Hawking Favorite Places
The Indian Ocean Coastal Waters
Racing Extinction
The Universe: 7 Wonders of the Solar System
Cold War 2.0
Archimedes Secret
The Search for a New Earth
Urban Jungles
Cosmic Apocalypse
Inner Worlds Outer Worlds: 1 Akasha
Earth, the Power of the Planet: Atmosphere
The Union The Business Behind Getting High
Which Universe Are We In
Cooked: Air
World Richest Terror Army

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Is Anybody Out There
Is Anybody Out There 2015

In August 1977, the Big Ear Radio-telescope in Ohio received a strange signal from the Sagittarius constellation while searching for intelligent extra-terrestrial life. It had a duration of 72 seconds and an intensity 30 times higher than usual. Named the Wow signal, it is still being considered as one of the best examples of having being sent by intelligent extraterrestrial life. But, nothing has revolutionised the search of extra-terrestrial intelligent life as much as the recent discovery by the Kepler Satellite, of thousands of Earth-like planets where life could be possible. Join the debate with this stunning documentary, as we ask Is Anybody Out There?

Category:Science  Duration:50:37   

Encyclopaedia Galactica
Encyclopaedia Galactica 1980

Questions are raised about the search for intelligent life beyond the Earth, with UFOs and other close encounters refuted in favor of communications through SETI and radio telescope such as the Arecibo Observatory. The probability of technically advanced civilizations existing elsewhere in the Milky Way is interpreted using the Drake equation and a future hypothetical Encyclopedia Galactica is discussed as a repository of information about other worlds in the galaxy. The Cosmos Update notes that there have been fewer sightings of UFOs and more stories of abductions, while mentioning the META scanning the skies for signals.

Category:Science  Duration:01:00:00   Series: Cosmos

Search for ET
Search for ET 2007

Are we alone? SETI--the Search for Extraterrestrial Intelligence--is a privately funded project using radio telescopes and optical telescopes to scan the stars for signals.

Category:Science  Duration:1:30:00   Series: The Universe

The Immortals
The Immortals 2014

This episode covers the nature of how life may have developed on Earth and the possibility of life on other planets. Tyson begins by explaining how the human development of writing systems enabled the transfer of information through generations, describing how Princess Enheduanna ca. 2280 BCE would be one of the first to sign her name to her works, and how Gilgamesh collected stories, including that of Utnapishtim documenting a great flood comparable to the story of Noah's Ark. Tyson explains how DNA similarly records information to propagate life, and postulates theories of how DNA originated on Earth, including evolution from a shallow tide pool, or from the ejecta of meteor collisions from other planets. In the latter case, Tyson explains how comparing the composition of the Nakhla meteorite in 1911 to results collected by the Viking program demonstrated that material from Mars could transit to Earth, and the ability of some microbes to survive the harsh conditions of space. With the motions of solar systems through the galaxy over billions of years, life could conceivably propagate from planet to planet in the same manner. Tyson then moves on to consider if life on other planets could exist. He explains how Project Diana performed in the 1960s showed that radio waves are able to travel in space, and that all of humanity's broadcast signals continue to radiate into space from our planet. Tyson notes that projects have since looked for similar signals potentially emanating from other solar systems. Tyson then explains that the development and lifespan of extraterrestrial civilizations must be considered for such detection to be realized. He notes that civilizations can be wiped out by cosmic events like supernovae, natural disasters such as the Toba disaster, or even self-destruct through war or other means, making probability estimates difficult. Tyson describes how elliptical galaxies, in which some of the oldest red dwarf stars exist, would offer the best chance of finding established civilizations. Tyson concludes that human intelligence properly applied should allow our species to avoid such disasters and enable us to migrate beyond the Earth before the Sun's eventual transformation into a red giant.

Category:Science  Duration:42:00   Series: Cosmos 2014

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