On July 23, 2007, Iowa State University engineering alum and astronaut Clay Anderson threw an obsolete, refrigerator-sized early ammonia servicer (EAS) reservoir overboard from the International Space Station (ISS). The 1,400-pound piece of space junk has been circling Earth ever since and now its orbit has decayed so much that it has become an easy … Continue reading Alum’s ‘space junk’ is visible from Earth
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