The universe is one of the most extreme environments. Life outside the Earth's atmosphere is impossible without additional protection. Even in the Earth’s atmosphere, we can sometimes feel how...
Category: Astronauts
Jurij Gagarin, the first man in space, made a turning point in human history when he flew into space in 1961. Space has so far been visited by more than 550 astronauts from many countries around the...
I always wondered how long it would take to become an astronaut, which propelled me into research. Some requirements need to be met before you become an astronaut. They include both physical and...
When human beings explore hostile and unwelcoming environments to which their bodies are not adapted, their first goal is to survive the encounter. Environments that lack oxygen; are...
When thinking of astronauts, it’s common to imagine people floating around in the International Space Station. However, they spend far more time on Earth, either preparing for their mission or...
One of the most unexpected changes that zero gravity has brought is the changes to diets. Several foods cannot be eaten quickly in space; some might not taste right, while some astronauts that stay...