Uses of Solar Power

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More on this programme: http://www.bbc.co.uk/programmes/b00rmpqh

Against the stunning backdrop of the glaciers of Alaska, Brian reveals his fourth Wonder. Saturn’s moon Titan is shrouded by a murky, thick atmosphere. He reveals that below the clouds lies a magical world. Titan is the only place beyond Earth where we’ve found liquid pooling on the surface in vast lakes, as big as the Caspian Sea, but the lakes of Titan are filled with a mysterious liquid, and are quite unlike anything on Earth.

Duration : 0:5:9

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