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While covering the Orion launch for StarTalk Radio, our Social Media Coordinator Stacey Severn interviewed NASA astronaut Cady Coleman and asked her questions provided by our fans on Facebook. Cady discusses the role astronauts have in planning missions to the ISS and the Orion test flight, the biggest hurdle to establishing a permanent human presence in space, long term effect of zero gravity on astronauts, going to Mars, and what can be learned by playing with your food in micro-gravity.
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