Long-Term Effects On Humans In Space

Words: 2000
Pages: 8
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Tyler Jacoby
10-22-2015
ESS 102
Research Paper
Long-term Effects on Humans in Space

For my scientifically accurate sci-fi paper I will write about a future in which people can take vacations into space to nearby planetary bodies in our solar system such as the Moon, Mars, and Venus. It will follow a family going through the process of selecting their space vacation package and then actually going on the trip from start to finish. Along the way oddities about what is required for long trips into space and the inherent hazards associated with them will be discussed. These include the long-term effects on humans in space, space habitability, and space weather. The main scientific concepts will be about how the human body has evolved in Earths …show more content…
Human beings have evolved for billions of years within the relative safety of our planet Earth. Our evolutionary traits are great for dealing with the hazards native to our planet, but much of the time they do very little for us in the context of space. The primary environmental differences between Earth and space are gravity, night and day cycles, radiation levels, temperature, and the spatial confines associated with spacecraft. Today scientists are still trying to better understand the affects these differences between space and Earth have on humans over long periods of time. The longest any person has spent in space is 438 days in 1994 and 1995(Chang). We, as a people, have a lot more to learn about in regard to the long-term effects of space, but there are a few major problems we have already faced, even with a record stay time of just 438 days. These problems include increased blood pressure toward the top of the human body, bones becoming more brittle and muscle mass decreasing, deformation of eyes, difficulty eating and sleeping regularly, increased chance of disease, and psychological challenges. These problems seem to be caused by gravity, increased radiation, confined areas, and the lack of day and night …show more content…
This is a very serious problem because it affects the mental health of astronauts and, therefore, can affect just about every aspect of a mission. NASA is still in the process of understanding and fixing these problems (Chang). The problems with sleep are commonly attributed to the lack of a day and night cycle like the one found on Earth. When in orbit, there is a dawn every 90 minutes. In order to account for this the International Space Station has sleeping compartments that change lighting to simulate night and day. They are in the process of making a new system using LED’s to produce a more natural light like that on Earth (Hollingham). This is to decrease nausea and increase the quality of sleeping conditions in space. The difficulties with eating are largely unattributed to anything in particular, but are most likely just due to the overall different environmental factors
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