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 aboard a spacecraft.
Astronaut | Definition, Facts, & Training | Britannica
2024年12月25日 · 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 …
Astronauts Butch Wilmore and Suni Williams return to Earth …
2024年12月17日 · NASA announced the latest delay in Butch Wilmore and Suni Williams’ homecoming on Tuesday. The two test pilots planned on being away just a week or so when they blasted off June 5 on Boeing’s first astronaut flight to the International Space Station.
List of astronauts by name - Wikipedia
This is an alphabetical list of astronauts, people selected to train for a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft.. For a list of everyone who has flown in space, see List of space travelers by name.. More than 600 people have been trained as astronauts. Until recently, astronauts were sponsored and trained exclusively by governments, …
Astronauts - NASA
2024年11月26日 · 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.
NASA astronaut in hospital after returning from extended stay in …
2024年10月25日 · CAPE CANAVERAL, Fla. (AP) — A NASA astronaut was taken to the hospital for an undisclosed medical issue after returning from a nearly eight-month space station stay extended by Boeing’s capsule trouble and Hurricane Milton, the space agency said Friday.
Active Astronauts - NASA
Guion S. Bluford, Jr. was the first African American astronaut. Alan B. Shepard, Jr. was the first American in space. NASA astronauts Kjell Lindgren, Jessica Watkins, and Bob Hines are pictured looking out the SpaceX Dragon Freedom spacecraft’s windows. Nichole Ayers was selected by NASA to join the 2021 Astronaut Candidate Class.
Astronaut Fact Book - NASA
2024年11月12日 · The NASA Astronaut Fact Book provides information on the 360 explorers who have been selected as astronauts since NASA's first class in 1959.
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.
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.