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  1. 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 …

  2. Astronaut | Definition, Facts, & Training | Britannica

    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 West, astronaut refers …

  3. 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 beyond.

  4. 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.

  5. NASA introduces its latest astronaut class | AP News

    Sep 22, 2025 · NASA has 10 new astronauts chosen from more than 8,000 applicants. Six of them are women, the first time in NASA history that an incoming astronaut class is mostly female.

  6. Complete List of Astronauts | NASA & Global Space Explorers

    Discover a definitive list of astronauts from NASA, ESA, Roscosmos, and more. Explore bios, mission details, and careers of global space explorers, past and present. Your ultimate resource for astronaut …

  7. Who Is an Astronaut? Safety Implications for Commercial Human ...

    May 21, 2025 · The term "astronaut" is widely recognizable, and a layperson may simply interpret it as indicating someone who has been to space. For example, the Britannica Dictionary defines astronaut …

  8. Amanda Nguyen: Blue Origin astronaut reveals depression after space ...

    3 days ago · Blue Origin's all-female crew, which included scientist Amanda Nguyen, was launched into space in April.

  9. 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.

  10. 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. and international …