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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
Himalaya with Michael Palin
Himalaya with Michael Palin

   2004    Culture
Space Phenomena
Space Phenomena

   2020    Science
Black Hole Apocalypse
Black Hole Apocalypse

   2018    Science
A Traveler Guide to the Planets
A Traveler Guide to the Planets

   2010    Science
Secret History of Comics
Secret History of Comics

   2017    Art
The Mind Explained
The Mind Explained

   2019    Medicine
Through the Wormhole
Through the Wormhole

   2011    Science
The Universe Season 7
The Universe Season 7

   2014    Science