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Wednesday, 16 October 2019 

Human in Space

Everyday Living

Astronauts living and working in space have the same hygiene needs as people on Earth. They wash their hair, brush their teeth, shave and go to the bathroom. However, due to the microgravity environment, they use several different methods to take care of themselves.

Astronaut Charlie Precourt shampoos his hair with a rinseless shampoo that was originally developed for hospital patients who were unable to take a shower.STS-92 Pilot Pamela Melroy demonstrates washing hair in space.

Human in Space

Lists of reasons for human spaceflight are readily available. The National Space Society has a detailed list, and space.com has its Top 3 and Top 10. Nonetheless, there is a need for a concise list that can be easily recalled-perhaps something like this:

Humans are in space:

  • To Work
  • To Live
  • To Survive

To work
A common argument against humans in space is that robots do a better job. This argument is only half true. Robots are better than humans at some tasks, but humans are better than robots at others. The nature of the task determines whether humans or robots are used. Venus's hostile environment calls for a robot; a complex construction or repair task calls for a human. In response to the question "Humans or robots in space?", the answer is "Both".

Work in space is becoming as diverse as work on Earth. Some people work for government agencies; some run their own businesses. Some advance the boundaries of knowledge; some push the limits of technology. Although these contributions matter, the most important aspect of humans in space is not their work at all.

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