The Cosmos: A Beginner's Guide S01E04 - Space Exploration

Adam Hart-Davis investigates the dream mission to put men on Mars. It will take thirty years, but methods for exploring the red planet are already being tested in the Utah desert. A Californian psychologist is worried about astronauts experiencing 'Earth Out Of View Syndrome', the effect of seeing your home planet from the Martian surface as a just a pinprick of light. And Janet Sumner meets the woman with plans to produce an artificial greenhouse effect to transform the climate on Mars into something humans can tolerate.