Journeys in Time and Space

The Search for Intelligent Life (1x6)

Fecha de emisión: Mar 28, 2001

Chris Riley investigates the science behind the newest SETI (Search for Extra-Terrestrial Intelligence) project, which aims to spot laser flashes from distant civilisations. Is alien life inevitable or unlikely? Sir Patrick Moore talks about his lifetime of astronomy. And there's a flight through the unknown atmosphere of Titan, one of Saturn's moons. Might the infant Earth have looked like this?