Astronaut

People who working in space 

In the United States, people who travel more than 80 kilometers above sea level are called "astronauts." As defined by the International Aviation Federation, space travel requires more than 100 kilometers.

As of April 18, 2004, a total of 440 people, as defined by the United States, spent a total of 27,082 crew-days in space and 98 crew-days for walking in space.

According to the definition of the International Aviation Federation, only 434 people qualify. The astronauts entering space came from at least 32 countries.

Neil Alden Armstrong is the most famous astronaut in the world, he was the first human to set foot on the moon.

Юрий Алексеевич Гагарин was a Soviet air force pilot and the first person to enter space.

Taylor G. Wang is the first Chinese to go to space.