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How To Become An Astronaut

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This article is a guide on to How To Become An Astronaut In. To become an astronaut needs perseverance and patience. Due to the fact that nearly a decade is required to get relevant certifications, it is vital to devote a significant amount of time to learning and practicing this art.

While there is no specific educational requirement, you must be passionate about your chosen profession. Space agencies exclusively hire experts in their respective fields.

Neil Armstrong and his colleagues courageously ventured into space and created a plethora of opportunities to enhance space technology. There are multiple paths to becoming an astronaut; while it is not an easy job, it is not impossible to accomplish.

At some point in their life, the majority of children desired to become astronauts.

While some people were unsuccessful in finding their ideal employment, only a select few were successful. This article will teach you how to become an astronaut.

Astronauts have a highly selective and competitive job. Each year, intelligent individuals compete in a difficult application procedure to fill a restricted number of vacancies.

Yuri Gagarin was the first man to journey into space in April 1961. He was a cosmonaut and a Soviet pilot. In June 1963, Valentina Tereshkova became the first female to journey to space. In 1959, NASA selected the first American astronaut candidates for Project Mercury, which aimed to fly single-person capsules into orbit around the Earth.

Astronaut On Spacewalk Taking Selfie In Front Of Earth Astronaut connected to a tethered lifeline floats in space, holding up a device to take a selfie with the nighttime city lights of planet earth, as the sun rises. Distant stars and galaxies are visible in the background. Credit: NASA and ESO for background images. astronaut stock pictures, royalty-free photos & images

NASA has now selected 22 additional sets of astronauts, allowing citizens, educators, scientists, and medical professionals to join the astronaut corps.

It can be challenging to become an astronaut, but it is doable with sufficient patience and perseverance. In this post, we will discuss what an astronaut does, how they train, what it takes to become one, and how to apply.

Who Is an Astronaut?

Two Astronauts In Space Facing Each Other In Front Of Earth Two astronauts in full spacesuits with backpacks on a space walk with tethers, facing each other with hands out. They are floating in the front of Planet Earth as the sun rises between them. 

Background images credit: NASA and ESO astronaut stock pictures, royalty-free photos & images

Astronauts are those who are trained to travel to space. They undertake a variety of routine duties to maintain space stations operational. A NASA (National Aeronautics and Space Administration) spacecraft crew member or a member of the NASA Astronaut Corps is a “astronaut.”

In the U.S. space program, there are three sorts of astronauts: commander/pilot, mission specialist, and payload specialist. NASA selects astronauts from a pool of applicants with diverse backgrounds. Out of the thousands of applications, only a select few are selected for the arduous astronaut candidate training program.

Recent research indicates that there are 43 “active” astronauts in the NASA corps, consisting of 16 women and 27 men, or 37.2% women and 62.8% men.

Although there is no minimum age requirement, U.S. astronauts are normally between the ages of 26 and 46, with an average age of 34. They are required to exercise for at least two hours every day in order to maintain physical fitness.

Physical deconditioning can develop during space travel. Astronauts are susceptible to decompression illness, barotrauma, immunodeficiencies, loss of bone and muscle, loss of vision, orthostatic intolerance, sleep disorders, and radiation damage, among others.

On the International Space Station, a typical meal requires approximately 830 grams (29 ounces) of food. Due to the collaborative nature of space flight, astronauts are required to comprehend and speak foreign languages, specifically Russian.

What do astronauts do in space?

Chinese astronaut over the main module Tianhe on the Space Station Tiangong Chinese astronaut over the main module Tianhe on the Space Station Tiangong - flying over the Central America. This is entirely 3D generated image. Background image is from Nasa - Composited image of the stars is my own shot. Space station module and astronaut are both 3D models. astronaut stock pictures, royalty-free photos & images

Astronauts assemble safe spacecraft that can be used to explore the universe and support life in space.

Astronauts conduct a variety of activities during space missions. In addition to navigating the routes to planets and satellites, numerous tests are conducted.

A variety of levels and positions are held by astronauts. The functionality of a spaceship depends on the fulfillment of each of these jobs. The complicated technology in the cockpit of a spacecraft requires a distinct set of skills than, for example, those required to operate the scientific equipment, etc.

On a space mission, the commander is in charge and determines what is most important. The pilot works closely with the commander. The mission specialist post is filled by other astronauts with particular expertise or skills.

  1. The staff also performs additional jobs such as cleaning, equipment inspections, and broken item repairs.
  2. To keep up with the demanding nature of the job, they have a regular 2-hour exercise regimen.
  3. Providing crew members with medical and emergency assistance.
  4. Performing experiments.
  5. Commander of the spacecraft.
  6. Repair the International Space Station via spacewalks.
  7. Launch satellites.
  8. In charge of the International space center.

What Education is Required to Become an Astronaut?

Selfie out of this world. Astronauts in futuristic suits taking photo and setting the light Space travelers having photo session. Having fun and posing for photos astronaut stock pictures, royalty-free photos & images

It is exceedingly difficult to become an astronaut. Before gaining entry into this field, many have attempted numerous times.

To follow this career and begin its education, however, it is essential to get out on the correct foot. This field focuses on science, mathematics, and technical courses.

The subjects listed below can help you create a profession in space travel.

  • Electrical technology
  • Astrophysics
  • Biochemistry
  • Aeronautics
  • Geology

Education requirements are comparable throughout most space stations. Astronauts have a hard career, which necessitates a unique education and skill set.

What are the Requirements to become an astronaut?

In order to excel in the discipline of astronautics, there are a number of prerequisites that must be met. This includes both technical and social competencies.


Aspiring astronauts must have a solid educational foundation and the appropriate bachelor’s degree. This field requires a strong background in STEM subjects.


It is essential to have good eyesight, but surgical treatments are available if necessary. Although you are expected to wait a minimum of one year before beginning training.


To be considered for this profession, you must have an adequate standing height. A commanding pilot must be between 158 and 190 centimeters tall, while a mission specialist should be between 149 and 193 centimeters tall.

Mental and physical health

Astronauts spend a maximum of six months in space, which is a very long time and demonstrates the importance of maintaining physical and mental health. You must be competent of maintaining long-distance relationships, as being an astronaut requires extensive absences.

Superior Intelligence

Effective astronauts require more than a college degree and general intelligence. They must be creatively intelligent and inquisitive in order to handle and resolve unexpectedly complex circumstances.


Due to their job description, astronauts must be able to adapt swiftly. They must be able to adapt to newly implemented policies and regulations.

They work with professionals from a variety of industries and countries, so they should have no trouble adapting to different situations and cultures.

Physical Strength

Astronauts are required to pass physical fitness exams for spaceflight. In addition, they must pass a military water survival test that assesses their ability to tread water while wearing flying gear and swim a specified distance without stopping. Additionally, they must be ready for the impacts of zero gravity.

Critical reasoning skills

Astronauts must carefully and critically evaluate their own and others’ work to ensure that every assignment is completed as intended.


When astronauts travel into space, they must have the self-discipline to work alone, live aboard the space station, and complete their duties on time.

NASA Astronaut Requirements

The following are the NASA qualifications necessary to become an Astronaut:

  1. Astronauts at NASA must possess a Master’s degree in a technical subject (STEM).
  2. Consideration is given to people who are two years into a PhD program with a medical degree or who have graduated from a test pilot school.
    Must be a United States citizen.
  3. Must have an overall average of 65%
  4. three years of professional experience or one thousand hours of flight time
  5. Must pass NASA’s physical evaluation.

ISRO Astronaut Requirements

To become an Astronaut in India, one must satisfy the following requirements:

  • Must be a citizen of India.
  • Be medically and physically fit, and be certified as such.
  • Be an accomplished pilot in the Indian Air Force.
  • You must pass the Indian Institute of Space Science and Technology’s entrance examination.
  • English proficiency is a necessity.
  • A bachelor’s degree in a STEM field from an approved institution.

How To Become an Astronaut

Following Shot of Brave Astronaut in Space Suit Confidently Walking on Space Planet Towards Moon, Covered in Rocks. First Astronaut On the Space Planet. Big Moment for the Human Race. Advanced Technologies, Space Exploration/ Travel, Colonization Concept. Following Shot of Brave Astronaut in Space Suit Confidently Walking on Space Planet Towards the Moon. Moon as viewed from Moon surface. The surface of the moon, strewn with small rocks and sand. Flight over Moon craters. Moon surface, Desert, Cliffs, sand. Covered in Rocks. First Astronaut On the Moon Surface. Big Moment for the Human Race. Advanced Technologies, Space Exploration/ Travel, Colonization Concept. astronaut stock pictures, royalty-free photos & images

To become an astronaut can be difficult. Only a few of space agencies and programs worldwide are capable of human spaceflight.

In addition to NASA, the China National Space Administration (CNSP) and the Russian Federal Space Agency (RFSA) can conduct manned space missions.

Below are a few instructions for becoming an astronaut:

Obtain a degree: Astronaut hopefuls must have a bachelor’s or master’s degree in a science-related discipline, such as engineering, biology, physical science, computer science, or mathematics.

Get Experience: In addition to a degree, aspiring astronauts are required to have at least two years of relevant work experience and jet piloting.

Apply for NASA: After completing the preceding stages, the next step is to submit an application for NASA’s candidate selection. This procedure may take up to two months before applications are evaluated and candidates are contacted. In addition, candidates must satisfy the physical standards.

The candidate must be a citizen of the United States, have a standing height between 62 and 75 inches, have 20/20 vision in both eyes, and a blood pressure while seated that does not exceed 140/90.

Complete your training: Before starting on a flight mission, qualified astronaut candidates are required to complete comprehensive mission training.

The two-year, mostly classroom-based basic training program includes instruction on space stations, vehicles, and equipment, among other subjects. In addition to classroom-based survival instruction, astronauts must also undergo training outside the classroom.

When astronauts are assigned crews and missions, they undergo advanced training. It is ten months long and involves training for your specific position.

Best Schools For Astronauts

  1. University of Delaware, Newark
  2. University of Idaho
  3. Montana State University
  4. Berkley University of California
  5. The University of Arizona
  6. John Hopkins University
  7. Stanford University
  8. Georgia Institute of Technology

TOP Universities in India To Become An Astronaut

Chinese astronauts on Moon with permanent base Chinese astronauts on Moon with permanent base. This is entirely 3D generated image. astronaut stock pictures, royalty-free photos & images

India has invested heavily in space research and education. Early this year, it launched its first satellites into space (February 2022). Astronauts are employed by organizations such as the Indian Space Research organizations in India.

The following universities in India are among the best for Astronaut studies and training.

  • Amity University
  • Birla Institute of Technology and Science
  • Indian Institute of Science
  • Indian Institute of Technology
  • Indian Institute of Space Science and Technology

Advantages of being an astronaut

  • Astronaut is one of the highest-paying occupations in the world. This job pays quite well.
  • You can acquire global and societal esteem and recognition.
  • It is an opportunity to meet with tremendously gifted individuals and cutting-edge technology.
  • The opportunity to visit outer space and travel the globe.

TOP 10 Famous Astronauts

Numerous Astronauts have devoted their careers to furthering space research, making it difficult to rate them. However, it is true that some Astronauts are better known than others.

Listed below are the 10 top famous Astronauts:

  1. Yuri Gagarin
  2. Neil Armstrong
  3. Valentina Tereshkova
  4. Buzz Aldrin
  5. Alan Shepard
  6. Sally Ride
  7. John Glenn
  8. Chris Hadfield
  9. Charles Pete Conrad
  10. Alexei Neolov

In this profession, there is occasionally less than a 1% probability of selection. The selection procedure is extremely rigorous, and the number of available spots is quite limited, making it extremely competitive.

Though it may seem like a pipe dream to many, individuals who are tenacious and enthusiastic about their work have made it a reality.

It is also essential to remember that many people on Earth support the mission, and that space provides a multitude of chances for those who choose to explore.

Difficulties Encounter by Astronauts

As with any other profession, the path to becoming an astronaut might be intriguing, but it is also fraught with difficulties.


The first obstacle astronauts encounter during a space trip is radiation. Radiation exposure increases the risk of getting cancer, disrupts the central nervous system, impairs cognitive and motor function, and induces behavioral abnormalities.


Long-confined groups of persons, regardless of how well-trained they may be, will always have behavioral issues. Crews will be carefully recruited, trained, and supplied with support in order for them to function as a team for months or years in space.


Simply put, the distance is the third and possibly most obvious obstacle. Due to the vast distance from home, astronauts often experience feelings of loneliness and melancholy.


The variation in gravity that astronauts will experience constitutes the fourth difficulty of a human mission. Astronauts are often 2 to 3 feet taller than the average person. And then, after three months, returns to normal. When astronauts ultimately return to Earth, many of their bodily systems will need to be readjusted to Earth’s gravity.

Hostile Environment

A spaceship is both a machine and a dwelling. NASA is aware that the ecology within a vehicle has a substantial impact on an astronaut’s daily life. Habitability is affected by temperature, pressure, illumination, noise, and volume of space. Astronauts must have the proper nourishment, relaxation, and exercise to maintain health and happiness.

FAQs on How to Become an Astronaut

How many years is necessary to become an Astronaut?

Six years of study and two years of practical experience are required to become an astronaut.

What are the four prerequisites for an Astronaut?

To become an Astronaut, you must have completed courses in science, technology, engineering, and mathematics, have piloting experience, be physically and mentally fit, and have an outstanding academic record. Nonetheless, variations may exist according on the nation you select.

How much do 2022 astronauts make?

As of Oct 25, 2022, the average monthly pay for a NASA Astronaut in the United States is $7,905 a month.

How do I start my career as an astronaut?

According to NASA, the minimum qualifications to become an astronaut are:
Be a U.S. citizen.
Have two years of related work experience (or 1,000 hours pilot-in-command time on a jet aircraft)
Pass the NASA flight astronaut physical.
Possess a master's degree in a STEM field from an accredited institution.

What are the 4 requirements to be an astronaut?

The basic requirements are U.S. citizenship, a minimum of a bachelor's degree in engineering, biological or physical science, or mathematics, and work experience. Astronaut candidates undergo a training and evaluation period that lasts about two years.

Are astronauts paid for life?

Ultimately, while astronauts' salaries are generally modest while they're working, they can still sometimes get a hefty payout once they retire from active duty. In short: no, astronauts do not get paid for life.


It is usually pretty fascinating to learn that astronauts are conducting experiments in space, etc.

Although it is not an easy professional route, if you enjoy traveling it is a terrific option. Astronauts are very handsomely compensated because to the difficulty of their job description.

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