Affiliation:
1. Department of Food Science & Technology University of Georgia Athens Georgia USA
Abstract
Abstract20 July 1969: approximately 240 000 mi away from Earth, two astronauts named Neil Armstrong and Edwin E. Aldrin Jr. landed on the moon. 20 October 2020: approximately 200 million miles away from Earth, the National Aeronautics and Space Administration (NASA) managed to land a spacecraft on an asteroid named Bennu and collect a sample from its surface. Sometime 2030s: approximately 34 million miles away from Earth, NASA is looking to successfully send humans to Mars. So, why is all this important? The effects of climate change are apparent on Earth today—temperatures around the world higher than normal, a rising sea level, natural disasters increasing in frequency and strength—and these effects continue to become ever more apparent as time goes on; thus, there is a need for solutions, which outer space has become one that is simultaneously grown in seriousness over the years. Colonizing space, traveling to distant planets and inhabiting them, these are definite possibilities for humans, as evidenced above by the remarkable progress NASA has made; however, one of the biggest obstacles NASA is dealing with in bringing those possibilities into fruition is their food system—all the actors and interactions within a food chain, meaning those who grow the food, those who process the food, those who transport the food, those who sell the food and finally, those who consume and dispose of the food. The shelf life of NASA's current food system will not last past 18 months in the unique environment of space, where there are the hazards of galactic cosmic rays, solar radiation and microgravity. Recognizing this—essentially recognizing that achieving such aforementioned feats would require a food system that can last much longer—NASA and others have constantly been researching and experimenting with their food system, ranging from how its food is grown, processed and preserved to the focus of this literature review: how it is packaged. Henceforth, the purpose of this literature review is to chronologically look at and discuss the major materials and technologies used in NASA's space food packaging of the past—the 1960s–1970s—look at and discuss those of the present—the 1980s–2000s—and finally, look ahead and discuss those of the future, entailing materials and technologies currently being worked on or considered for future use in NASA space missions. At that, here's to 60 years of activity in space.
Subject
Mechanical Engineering,General Materials Science,General Chemistry
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