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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
The Truth About
The Truth About

   2018    Medicine
Leaving Neverland
Leaving Neverland

   2019    Culture
Cosmos: A Spacetime Odyssey
Cosmos: A Spacetime Odyssey

   2014    Science
Senna
Senna

   2010    Culture
The Human Body
The Human Body

   1998    Medicine
The Universe Season 8
The Universe Season 8

   2016    Science
Life of a Universe
Life of a Universe

   2017    Science