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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
Reel Rock
Reel Rock

   2014    Culture
Earth, the Power of the Planet
Earth, the Power of the Planet

   2007    Nature
The Real History of Science Fiction
The Real History of Science Fiction

   2014    Technology
Stephen Hawking's Favorite Places
Stephen Hawking's Favorite Places

   2016    Science
Dinosaur Planet
Dinosaur Planet

   2003    Science
Frozen Planet
Frozen Planet

   2011    Nature
Everything and Nothing
Everything and Nothing

   2011    Science
Secret History of Comics
Secret History of Comics

   2017    Art