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
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 …
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 …
Active Astronauts - NASA
2024年10月11日 · 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 …
Become An Astronaut - NASA
2024年9月4日 · 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 …
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 | 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.
What astronauts do: Science, spacewalks and chores
2023年10月23日 · An astronaut’s job is complex, demanding, and ultimately, inspiring. But what do astronauts really do? Let’s journey beyond Earth’s atmosphere and dive into the …
NASA, Space Exploration, and Movies About Astronauts - Biography
Astronauts, including Neil Armstrong, Sally Ride, and Buzz Aldrin, have risked their lives to fulfill our dreams of exploring space.
13 Most Famous Astronauts - Have Fun With History
2024年1月9日 · From the first footsteps on the Moon to breaking gender and racial barriers in space exploration, these individuals have not only expanded our understanding of the cosmos …
- 某些结果已被删除