Buzz Aldrin is the legendary Apollo 11 and Gemini 12 astronaut who made history in 1969 when he became one of the first men to walk on the lunar surface. Today, he has his sights firmly on the future - specifically Mars. The visionary tells Space Boffin Sue Nelson about his cycling orbits to the red planet, why he wouldn't go to Mars himself, what he thinks of the ESA director general's plans for a Moon village and which item of jewellery he's wearing was a gift from Mohammed Ali. Like this podcast? Please help us by
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