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 …

Dec 17, 2025 · 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 …

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 …

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.

Alan Shepard became the first American and the second man in space on May 5, 1961, when he piloted the Mercury spacecraft Freedom 7 on a 490-kilometer (300-mile), 15-minute suborbital …

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.

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 …