Space Exploration Essay

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The human body is uniquely designed to live in Earth’s gravity.Therefore, long term exposure to other atmospherically conditions can be life threatening without proper protection equipment and technology.This is why for years scientists have been studying systems, requiring an input from physical and biological sciences, that would allow humans to survive and work in space for extended and possibly indefinite periods of time. Finding such systems , though , is not an easy job , and this is the reason why solving this issue is considered to be one of the biggest challenges facing human space exploration.
I. PHYSICAL EFFECTS
A. Bones and muscles
The fact that walking is replaced by floating means that the bones in the lower part of the body …show more content…

Their abilities to maintain positive psychological outlooks and good interpersonal relations are crucial for personal well-being and mission success.This proves that the psychological implications of space travel are just as significant as the physical ones.
Some of the most significant issues that can arise are : depression , anxiety , lack of motivation , hallucinations , fatigue,insomnia, stress and attention and concentration difficulties.
The causes to this problems are related to : external stress; factors related to crew heterogeneity (e.g: differences in personality, gender, and career motivation); variability in the cohesion of the crew; improper use of leadership role (e.g: task/instrumental versus emotional/ supportive);cultural differences and language differences.
There have been several accounts from different astronauts , talking about what sharing a small , closed space with generally 3-4 other people and having to consider at all times a bunch of complicated procedures before doing every day basic activities like eating , sleeping , using the toilet , etc. For example ,cosmonaut Valery Ryumin, jokes abut it , quoting this passage from The Handbook of Hymen by O. Henry in his autobiographical book about the Salyut 6 mission: “If you want to instigate the art of manslaughter just shut two men up in a eighteen by twenty-foot cabin for a month. Human nature won't stand

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