
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 …
Astronaut | Definition, Facts, & Training | Britannica
5 days ago · astronaut, designation, derived from the Greek words for “star” and “sailor,” commonly applied to an individual who has flown in outer space. More specifically, in the …
Astronauts - NASA
Dec 8, 2025 · The term “astronaut” derives from the Greek words meaning “star sailor,” and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and …
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.
Astronaut - New World Encyclopedia
NASA applies the term astronaut to any crew member aboard NASA spacecraft bound for Earth orbit or beyond. NASA also uses the term as a title for those selected to join its Astronaut Corps.
Astronauts | Encyclopedia.com
May 23, 2018 · An astronaut is a person trained to perform a specific task on a craft designed and intended to travel beyond Earth 's atmosphere. The term "astronaut" derives from the Greek …
NASA astronaut comes home after circling Earth 3,920 times
Dec 10, 2025 · NASA astronaut Jonny Kim is seen outside the Soyuz MS-27 spacecraft, with a gifted Matryoshka Doll, after he landed with Roscosmos cosmonauts Sergey Ryzhikov, and …
Jared Isaacman is confirmed as NASA chief, a year later : NPR
4 days ago · "Jared's passion for Space, astronaut experience, unlocking the mysteries of the universe, and advancing the new Space economy, make him ideally suited to lead NASA into …
Astronaut Fact Book - NASA
As of November 2024, there are 47 active astronauts, 12 management astronauts, and 332 former astronauts or payload specialists, including those who have left NASA, and those who …
NASA Astronaut Corps - Wikipedia
The NASA Astronaut Corps is a unit of the United States National Aeronautics and Space Administration (NASA) that selects, trains, and provides astronauts as crew members for U.S. …