
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
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 West, astronaut refers to …
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.
NASA astronaut back on Earth after 8 months on space station
Dec 10, 2025 · NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their Soyuz spacecraft landing in the frozen …
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. …
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.
Become An Astronaut - NASA
Sep 4, 2024 · NASA astronauts have been traveling to space for more than six decades and living there continuously since 2000. Now, NASA’s Artemis program is preparing to land the first …
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 …
Astronauts and their training programs | Britannica
astronaut, Person trained to pilot a spacecraft, operate any of its systems, or conduct research aboard it during spaceflights.