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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
In Search of
In Search of

   2018    Culture
Triumph of Life
Triumph of Life

   2006    Nature
The Universe Season 7
The Universe Season 7

   2014    Science
The Story of Science
The Story of Science

   2010    History
Motivation
Motivation

   2017    Culture
History of the Eagles
History of the Eagles

   2013    History
Living Universe
Living Universe

   2018    Technology