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Are...We Alone

   2014    Science
Is mankind alone, or are there aliens out there, either waiting to be discovered, or on their way to find Earth? Professor Brian Cox spends this episode asking such questions, and what he discovers may raise a few eyebrows. He begins by exploring the human race's efforts to find neighbours in outer space, including the launch of two golden discs containing a greeting from Earth in the 1970s; they are still travelling and are now the most distant man-made objects from the planet. Brian also meets members of the Search for Extra-Terrestrial Intelligence, who have been monitoring radio signals for 50 years without success, before discussing the ingredients needed to make an intelligent civilisation with astrophysicist Dr Frank Drake.
Series: Human Universe
Ancient Greece
Ancient Greece

   2013    History
Human universe
Human universe

   2014    Technology
P.U.L.S.E
P.U.L.S.E

   2006    Art
Woody Allen A Documentary
Woody Allen A Documentary

   2011    History
Reel Rock
Reel Rock

   2014    Culture
Jonestown: Terror in the Jungle
Jonestown: Terror in the Jungle

   2018    History
The Story of God
The Story of God

   2016    Culture
The Life of Mammals
The Life of Mammals

   2002    Nature