The Right Stuff: Essential Requirements to Become an Astronaut

Introduction:

The role of an astronaut has always been wrapped in allure and prestige. As the Artemis program aims to land the first woman and the next man on the Moon by 2024, the qualifications to achieve this iconic position become more crucial.

Educational Qualifications:

A NASA Astronaut in space.

Master’s Degree:

The path to becoming an astronaut often begins with a solid educational foundation. According to NASA, a master’s degree from an accredited institution in a STEM field is essential for prospective candidates. STEM fields encompass a wide range of studies, from aerospace engineering to microbiology.

Why a Master’s in STEM?

Statistics reveal that 80% of astronauts have a degree in engineering, physical sciences, or biological sciences. This isn’t a coincidence. The technical and analytical skills gained from these fields are directly applicable to the challenges faced in space exploration.

Specializations:

While engineering remains a top choice (with approximately 50% of astronauts boasting an engineering degree), biological science, physical science, computer science, and mathematics are also viable pathways. For instance, Dr. Peggy Whitson, an astronaut with a stellar 665 days in space, holds a doctorate in biochemistry.

Alternative Qualifications:

While the aforementioned fields are most common, they aren’t the only way to enter the astronaut corps. About 10% of astronauts come from medical backgrounds, leveraging their expertise for space health and research. Furthermore, military test pilot school graduates are also highly regarded. These programs provide valuable experience in high-pressure environments, making their graduates prime astronaut candidates. According to a 2019 report, a significant number of astronauts were former test pilots, showcasing the importance of this qualification.

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5 books on Amazon to Become an Astronaut

  1. Becoming an Astronaut: An Astronaut’s Life by Martha E. H. Rustad: This book is an excellent introduction to the life of an astronaut. It covers everything from the training and qualifications required to become an astronaut to the challenges and rewards of living and working in space.
  2. How to Become an Astronaut for Kids! (Space Books For Kids Age 9-12) by Eric Z. Vogt: This book is a more in-depth look at the requirements and process of becoming an astronaut. It is written for kids ages 9-12, but it is also a good resource for older readers.
  3. Space Exploration for Kids: A Junior Scientist’s Guide to Astronauts, Rockets, and Life in Zero Gravity by Bruce Betts: This book is a fun and informative guide to all things space exploration. It covers topics such as the history of space exploration, the different types of spacecraft, and the challenges of living in space.
  4. The Astronaut’s Guide to Life on Earth: What Living in Space Teaches Us About Our Planet and Ourselves by Chris Hadfield: This book is written by a real astronaut, Chris Hadfield, who has traveled to space twice. He shares his experiences of living and working in space and how it has changed his perspective on life on Earth.
  5. Packing for Mars: The Curious Science of Life in the Void by Mary Roach: This book is a fascinating look at the challenges of living in space. It covers topics such as how to grow food in space, how to deal with the lack of gravity, and how to protect astronauts from radiation.

Interested in the next chapter of lunar exploration? Dive into our comprehensive article detailing the journey from Apollo to Artemis, exploring the technologies and international collaborations that are shaping the future of our Moon missions.

Physical and Health Requirements

Astronaut in space.

NASA’s Long-Duration Flight Physical:

Space exploration isn’t just mentally taxing; it’s physically demanding as well. According to NASA’s requirements, astronaut candidates must pass the long-duration flight astronaut physical. Why the emphasis on “long-duration”? Well, missions, especially those to Mars or extended stints on the International Space Station (ISS), can last months.

Facts and Figures:

Historical data reveals that astronauts aboard the ISS are subjected to about one-tenth the gravitational force of Earth. This microgravity environment can lead to muscle atrophy and bone density loss. In fact, astronauts can lose up to 1.5% of bone mass per month.

Training the Body:

To counteract these effects, physical fitness is of paramount importance. Candidates must have a blood pressure reading of no more than 140/90 mm Hg. They also undergo extensive tests to see how their bodies react to changing pressures, oxygen levels, and G-forces.

Reality Check:

For context, during launch, astronauts experience forces up to 3Gs (three times the force of Earth’s gravity). This means a 150-pound person would feel like they weigh 450 pounds. Proper training ensures that an astronaut’s body can withstand these stresses.

Eye and Hearing Health:

Vision and hearing are crucial for astronauts. Candidates must have distant and near visual acuity correctable to 20/20 in each eye. In terms of hearing, their average hearing threshold must be 25 dB or better in the range of 500 to 3000 Hz.

The Bigger Picture:

It’s not just about physical health; mental well-being is equally vital. The isolated, high-risk environment of space means that candidates undergo psychological evaluations to ensure they can handle the stresses of space travel. After all, missions require living in close quarters with a small crew for extended periods, making mental fortitude a key component of astronaut training.

Experience and Skills

Astronaut in space ISS.

Flight Training:

Navigating the vastness of space requires more than just academic prowess. Practical flight experience is invaluable. NASA mandates a minimum of 1,000 hours of pilot-in-command time on jet aircraft. This requirement ensures astronauts have the reflexes, understanding, and experience to respond to rapidly changing situations.

The Numbers Speak:

To put this into perspective, 1,000 hours equates to approximately 42 days in the air. When compared to commercial pilots, who often require 1,500 hours to get hired by major airlines, the gravity (pun intended) of an astronaut’s expertise is evident.

Professional Experience:

But flying isn’t the only skill on the docket. NASA emphasizes at least two years of relevant professional experience post-degree completion. This means prospective astronauts aren’t just seasoned pilots; they’re professionals with deep knowledge in their respective fields.

Diving Deep:

For instance, during the 2017 NASA astronaut class selection, one candidate, Dr. Jessica Watkins, held a Ph.D. in geology and had field experience in Martian analog environments – places on Earth that replicate Martian conditions.

Skills:

Soft skills are as important as hard skills. Leadership qualities, teamwork, and effective communication are integral. Space missions are collaborative efforts. Astronauts work in close-knit teams where every member must rely on their comrades.

Real-world Scenarios:

Take Apollo 13, for example. When faced with a life-threatening crisis, it was the collective leadership, teamwork, and communication of the astronauts on board and the ground crew that transformed a potential tragedy into a “successful failure.”

Broadening the Horizon:

With the advancements in space technology and longer-duration missions in the pipeline, the skill set required for astronauts is evolving. They are expected to have multidisciplinary skills, from medical know-how to fixing spacecraft issues, showcasing the increasing complexity and breadth of the astronaut role.

Application and Selection Process

In the span of March 2020, a staggering 12,000+ individuals expressed their passion for space, submitting applications to become astronauts.
In the span of March 2020, a staggering 12,000+ individuals expressed their passion for space, submitting applications to become astronauts.

NASA’s Astronaut Selection Board:

Aspiring to join the elite group of space explorers? Be prepared for an exhaustive selection procedure. NASA’s Astronaut Selection Board meticulously combs through thousands of applications to identify potential candidates.

By the Numbers:

To illustrate the competitiveness, in 2017, NASA received a record-breaking 18,300 applications for its astronaut class and selected just 12. That’s an acceptance rate of a mere 0.065%, making it significantly more selective than getting into top Ivy League schools.

Interviews:

The selection doesn’t just stop at evaluating resumes. Shortlisted candidates are invited for two rigorous interview rounds at NASA’s Johnson Space Center in Houston, Texas.

What’s Evaluated?

During these interviews, NASA isn’t merely assessing knowledge. They’re gauging problem-solving abilities, adaptability, team dynamics, and how candidates handle pressure – all crucial traits for long-duration space missions.

Northrop T-38 Talon.
Northrop T-38 Talon.

Training:

Once candidates have proven their mettle in interviews, they’re still not officially astronauts. They embark on two years of basic astronaut skills training. This includes mastering spacewalking (extravehicular activity), understanding the operations of the space station, flying T-38 jet planes, and controlling a robotic arm.

Did You Know?

The robotic arm training is particularly vital for operations on the International Space Station (ISS). Canada’s contribution to the ISS, the Canadarm2 robotic system, requires precise control, playing a pivotal role in the station’s maintenance and operations.

Beyond NASA:

While NASA’s process is particularly rigorous, it’s worth noting that as the landscape of space exploration evolves, private companies like SpaceX and Blue Origin have their selection protocols. While they might not be as exhaustive as NASA’s, the rapid evolution in commercial spaceflight suggests their selection criteria will only become more stringent in the near future.

The Life of an Astronaut

Duties:

Being an astronaut goes beyond the glory of floating in zero gravity. The role comes with a plethora of responsibilities, from commanding fellow astronauts to conducting scientific experiments and ensuring the spacecraft’s maintenance.

International Space Station.
International Space Station.

A Day on the ISS:

For those on the International Space Station, a typical day begins with a wake-up call from Mission Control, followed by morning briefings, exercise sessions to combat muscle and bone loss, and then delving into a myriad of tasks. Surprisingly, astronauts can work up to 12 hours a day!

Types of Astronauts:

NASA categorizes its astronauts into three main types:

  • Astronaut Candidates: Fresh recruits in training. They undergo rigorous preparations for space missions but haven’t yet been to space.
  • Active Astronauts: These are astronauts who have completed their training, and either have been to space or are preparing for a mission.
  • Management Astronauts: After years of service, some astronauts transition to administrative roles, guiding the next generation and shaping the future of space missions.

Behind the Stats:

Historically, only about 60% of astronaut candidates have journeyed into space. The journey from candidate to active astronaut is a testament to the intensity and demands of the profession.

Astronauts salary.

Salary:

A career in space exploration isn’t just about the thrill; it pays too. Based on the federal General Schedule pay scales, astronaut salaries range from GS-11 to GS-14. As of my last update in 2021, this could mean annual earnings between $72,750 to $117,000, depending on experience and roles. Military astronauts are compensated based on their active-duty pay rates.

Space and Beyond:

Life as an astronaut isn’t limited to space missions. When on Earth, they engage in training sessions, provide valuable feedback for technological advancements, participate in educational outreach, and offer insights that shape space policy and future missions.

Downtime in Space for astronaut.

Downtime in Space:

Amidst the rigorous schedules, there’s room for leisure too. Astronauts often share glimpses of Earth from space, enjoy movies, or indulge in space-grown veggies. Yes, they’ve successfully grown lettuce on the ISS, adding a fresh touch to their meals thousands of miles away from Earth!

Tips to Stand Out as an Astronaut Candidate

A master's degree.

Advanced Degrees:

A master’s degree is a starting point, but pursuing further education can significantly boost your candidacy. An impressive 50% of astronauts hold doctorates. Delving deep into specific aerospace or related fields showcases commitment and expertise.

Academic Insight:

Consider the likes of Dr. John Grunsfeld, an astronaut, and an astrophysicist. His advanced studies in physics and engineering made him a valuable asset for five Space Shuttle flights, particularly those servicing the Hubble Space Telescope.

Diverse Skills:

In the realm of space exploration, versatility is golden. Developing a diverse skill set can set you apart. Acquiring certifications in fields like scuba diving mimics the weightlessness of space and aids in spacewalk training. Likewise, emergency medical technician training can be invaluable when addressing medical emergencies in space.

Stat Snapshot:

Historical data reveals that nearly 90% of astronauts have at least one extra skill or certification, making them not just experts but also jacks-of-all-trades, ready to tackle unforeseen challenges.

Learning a Second Language:

With international cooperation being the backbone of modern space missions, especially on platforms like the International Space Station, being bilingual or even multilingual can be a huge asset. Russian, for instance, is essential, given the collaboration between NASA and Roscosmos.

A Cultural Connect:

Did you know that every American astronaut aboard the ISS spends weeks at Russia’s Star City for training and learns basic Russian? It’s not just about communication; it’s about fostering camaraderie and understanding amidst cultural differences.

Networking:

The space community, while vast, is closely-knit. Engaging in conferences and workshops or joining aerospace organizations can provide invaluable insights and connections. Being known and recognized in the community can offer an edge during selections.

Christopher John "Chris" Cassidy (born January 4, 1970) is a retired NASA astronaut and United States Navy SEAL.
Christopher John “Chris” Cassidy (born January 4, 1970) is a retired NASA astronaut and United States Navy SEAL.

Hands-on Experience:

While academic accolades are crucial, real-world experiences, be it in labs, aeronautical ventures, or field research, add depth to one’s profile. Chris Cassidy, a renowned astronaut, was not only a Navy SEAL but also had extensive underwater training – experiences that significantly shaped his astronaut career.

Endurance and Resilience:

Lastly, space missions demand mental tenacity. Engaging in activities that test endurance, like marathons or mountaineering, can be both a physical and psychological asset. They echo the challenges of long-duration space missions and showcase one’s determination and resilience.

Conclusion

Becoming an astronaut is challenging yet immensely rewarding. For those who dream of the stars, remember that while the path is tough, the sky – or rather, space – is the limit. Keep pushing towards your dream, understanding the requirements, and one day you might just be among the stars.

If you’re intrigued by the journey of becoming an astronaut, you might also find it fascinating to learn about some of the pioneers of space exploration. For instance, do you know who the youngest Apollo astronaut to walk on the moon was? Dive into this captivating story in our dedicated article here.

FAQ

1. How long does it take to become an astronaut?

Answer: The journey to becoming an astronaut is extensive. After securing the necessary educational qualifications, one must gain relevant experience, which can take several years. Once selected as an astronaut candidate by NASA or other space agencies, there’s an additional two years of basic astronaut training. So, the entire process, from education to becoming a fully-fledged astronaut, can span over a decade.


2. Is there an age limit to becoming an astronaut?

Answer: While there’s no official age limit to become an astronaut, candidates must meet strict physical and health requirements, which can be harder to maintain as one age. However, it’s the combination of education, experience, and health that truly matters. Several astronauts have been selected in their 30s or even 40s.


3. Do astronauts need military experience?

Answer: No, military experience is not a prerequisite to becoming an astronaut. While many astronauts have a military background, which provides beneficial flight and discipline experience, numerous civilian astronauts have backgrounds in science, engineering, medicine, and other fields.


4. How often do astronauts go to space?

Answer: The frequency with which astronauts travel to space varies. Some may go multiple times in their career, while others might go only once or even not at all. Mission needs, astronaut specialization, and space agency goals play a role in determining flight assignments.


5. Can astronauts have glasses or corrective eye surgery?

Answer: Yes, astronauts can wear glasses. NASA and other space agencies have modified their vision requirements over the years. Corrective surgical procedures of the eye, like LASIK, are allowed but come with specific guidelines and waiting periods post-surgery to ensure stability and safety.

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