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History, science, and mythology come alive through epic aerial IMAX photography complemented by spectacular, mesmerizing, super-high resolution time-lapse photography. Grand Canyon: Rivers of Time is a journey through time at one of the world’s greatest natural wonders. But how do astronauts train here on Earth to work in the microgravity of space … Grand Canyon: Rivers of Time
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As an astronaut, he was trained extensively for space walks. NASA astronaut Chris Cassidy made the repair and saved the Space Station. In 2013, a critical life-support system on the International Space Station failed, requiring an immediate spacewalk to fix it.