In space. Episode 21

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Space Sniffer: Here we are introduced to George Aldrich who is used by NASA as a tester of noxious smells on their spacecrafts. Apollo 16: Here we visit the 5th lunar landing and meet the astronauts who nearly didn't make the trip. Saturn Pictures: We take a look at amazing pictures of Saturn from the two successful Voyager missions. Mars: Launched in 1976, the Mars Viking probe traveled 400 million miles on its year long journey to the red planet. An Early Shuttle Trip: We look at the development of the shuttle program that was originally used to take and return satellites into space. Secrets Of The Sun: From the Aztecs to the Mayans to current scientists, we look at the properties of the sun and its incredible power and effect on our Earth.