Astronaut - Wikipedia An astronaut (from the Ancient Greek ἄστρον (astron), meaning 'star', and ναύτης (nautes), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program to serve as a commander or crew member of a spacecraft
Astronaut | Definition, Facts, Training | Britannica Astronaut, designation, derived from the Greek words for ‘star’ and ‘sailor,’ commonly applied in the West to an individual who has flown in outer space As of 2022, 587 individuals from 41 countries had gone into orbit; 518 of these space fliers were men and 69 were women
Astronauts - NASA Today there are usually seven astronauts living on board at any given time, from a variety of countries The first class of NASA astronauts was selected in 1959 They are known as the Mercury 7 Since inception, NASA has selected 360 astronaut candidates: 299 men, 61 women; 212 military, 138 civilians; 191 pilots, 159 non-pilots
ASTRONAUT Definition Meaning - Merriam-Webster The meaning of ASTRONAUT is a person whose profession is to travel beyond the earth's atmosphere; broadly : any person who travels beyond the earth's atmosphere How to use astronaut in a sentence
How to become an astronaut | Space Becoming an astronaut doesn't just happen overnight It takes many years of education and experience to meet the basic qualifications
Astronaut | SpaceNext50 | Encyclopedia Britannica An astronaut is an individual who has flown in outer space More specifically, astronauts are those persons who went to space aboard a U S spacecraft
What does an astronaut do? - CareerExplorer What is an Astronaut? An astronaut is selected and employed by NASA (National Aeronautics and Space Administration) to participate in space exploration missions Astronauts undergo rigorous training to prepare for the physical and mental challenges associated with space travel
13 Most Famous Astronauts - Have Fun With History From the first footsteps on the Moon to breaking gender and racial barriers in space exploration, these individuals have not only expanded our understanding of the cosmos but also served as inspirations for generations of aspiring space explorers
Astronaut - New World Encyclopedia An astronaut or cosmonaut is a person trained by a spaceflight program to command, pilot, or serve as a crew member of a spacecraft Although the term is generally reserved for professional space travelers, it is sometimes applied to anyone who travels into space, including scientists, politicians, journalists, and tourists
How Astronauts Work - HowStuffWorks Astronauts are adventurers and scientists who work in space Learn who astronauts are and what they do in space and on Earth