Physical requirements for Mars travelers

In summary: BMI is not a requirement for NASA astronauts, but is necessary for certain positions in Earth-based operations.
  • #1
lifeonmercury
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In addition to being intelligent and possessing important skills, are there any specific height and weight requirements for Mars astronauts?
For example, a neighbor on my street would like to become an astronaut. However, he weighs approximately 300 pounds.
 
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  • #2
There is no job "Mars astronaut".

Assuming this is for the US: NASA hires astronauts once in a while, and there are various medical requirements. Height has a strict range from the Soyuz capsules, I'm not sure about weight (it is easier to adjust that than height...), blood pressure has to be fine, and good performance in fitness tests will be expected.
 
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  • #3
lifeonmercury said:
For example, a neighbor on my street would like to become an astronaut. However, he weighs approximately 300 pounds.

I think that's OK, provided he's eleven feet tall.
 
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  • #4
How strict are NASAs health requirements? I imagine high but a manned Mars mission would have unique challenges in terms of the extremely long period of isolation. A few years with no option to reach a hospital or specialist clinic means you don't want any signs of a condition that could flare up and need major attention in that time.
 
  • #5
Ryan_m_b said:
How strict are NASAs health requirements?

Since they haven't selected anyone for Mars, hard to tell. I'd expect it would be a superset of astronaut requirements and Antarctic winter-over requirements.
 
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  • #6
Vanadium 50 said:
Since they haven't selected anyone for Mars, hard to tell

I meant what are their current requirements for astronauts. I'm interested to know how much emphasis is placed on the risk of developing serious conditions during a mission.
 
  • #7
https://www.nasa.gov/audience/forstudents/postsecondary/features/F_Astronaut_Requirements.html

Commander and Pilot Astronaut Duties
Ability to pass a NASA space physical which is similar to a military or civilian flight physical and includes the following specific standards:
  • Distant visual acuity: 20/100 or better uncorrected, correctable to 20/20 each eye.
  • Blood pressure: 140/90 measured in a sitting position.
  • Height between 62 and 75 inches.
Basic requirements for a Mission Specialist include the following:
  • Height between 58.5 and 76 inches.
The requirements would probably be similar to those for the Apollo astronauts. I would suspect that there would be a restriction on 'pre-existing conditions'.

BMI - https://lsda.jsc.nasa.gov/scripts/experiment/exper.aspx?exp_index=1051
 
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1. What physical qualities are required for someone to be selected as a Mars traveler?

To be considered for a Mars mission, individuals must possess exceptional physical health and fitness. They must also have a strong cardiovascular and respiratory system, as well as a high tolerance for extreme temperatures and physical endurance.

2. How long does it take to train physically for a trip to Mars?

The physical training for a Mars mission typically takes 2-3 years. This includes strength training, endurance training, and simulations of the physical challenges that astronauts may face on the journey and on Mars.

3. Can individuals with physical disabilities or health conditions be selected for a Mars mission?

Currently, individuals with physical disabilities or health conditions that could compromise their safety or ability to complete the mission are not eligible for selection as Mars travelers. However, as technology and medical advancements progress, this may change in the future.

4. How does microgravity affect the physical health of astronauts on a long duration space mission?

Microgravity, or the condition of experiencing weightlessness, can have several impacts on the physical health of astronauts. This includes loss of muscle mass and bone density, changes in blood circulation, and weakened immune system. Therefore, physical exercise and proper nutrition are crucial to maintain the health of astronauts on a long duration space mission.

5. What are the potential physical challenges of living on Mars?

Living on Mars can present several physical challenges due to the planet's different environment compared to Earth. These include exposure to high levels of radiation, lower gravity, and extreme temperatures. Additionally, astronauts may also face challenges related to growing food and obtaining resources on a Martian settlement.

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