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03.03 08:00
55 Min
Engineering Space
When it was launched in April 1990, they called it the most significant advance in astronomy since Galileo in 1610. The inside story of how it was made and put into outer space by those who built it. (Nat Geographic HD)
04.03 08:00
50 Min
Engineering Space
Getting to Mars has been the dream of science fiction writers since the genre began. In 1975, NASA realised that ambition when it put the first spacecraft on the surface of Mars and got pictures back. (Nat Geographic HD)