Sunita Williams is the female with the most time spent in space.
No all can not be astronauts, you have to be a science student, and you must be a jet pilot who has spent a certain number of hours in a jet plane.
Edward White, the first American astronaut to conduct a spacewalk, spent a total of approximately 23 minutes outside the Gemini 4 spacecraft during his historic EVA on June 3, 1965. While he did not spend a significant number of hours in space overall, his spacewalk was a pivotal moment in the history of human spaceflight. In total, White completed 3 flights, accumulating around 6 days in space.
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Valentina Tereshkova went to outer space to become the first woman to do so. It is also stated that before she went to outer space she spent every free minute skydiving and became a regional champion.
The total Mission Elapsed Time of Apollo 11 (from launch to splashdown) was 8 days, 3 hours, 18 minutes, and 35 seconds.
The list of several dozen female astronauts is at the link
She spent 322 days in space in total, on two separate trips. For the first, she spent 195 days, which is the record for a female astronaut. For the other she spent 127 days. She has done 7 spacewalks, also a record for a female astronaut, totalling 50 hours and 40 minutes.
The astronaut spent thirty days in space. They sent the astronaut to the station to see if it was still intact.
Shannon Lucid spent 188 days in space in 1996.
As of October 2023, the last astronaut to go into space was Frank Rubio, who launched with a crew to the International Space Station (ISS) on September 21, 2022. He is a NASA astronaut and spent an extended duration aboard the ISS before returning to Earth. For the most current updates, it's advisable to check space agency announcements or news sources.
Sunita Williams has stayed in space for 195 days.She is an US naval officer and astronaut.
Yuri Gagarin, a Soviet astronaut, was the first human to journey into outer space on April 12, 1961. He orbited Earth in the spacecraft Vostok 1 and spent approximately 108 minutes in space before safely landing back on Earth.
Marc Garneau became an astronaut because of his background as an engineer and experience as a military pilot, which made him a strong candidate for the Canadian Space Agency's astronaut selection process. Additionally, his dedication to space exploration and passion for scientific discovery were driving factors in his pursuit of becoming an astronaut.
Peggy Whitson spent a total of 665 days in space during her career as an astronaut. This includes her missions aboard the Space Shuttle, the International Space Station (ISS), and her time as the commander of the ISS. Her record-breaking time in space made her the first female commander of the ISS and contributed to her status as one of the most experienced astronauts in history.
Astronaut John Young has been to space the most times, I think four times.
Dr. Robert Thirsk is well known for being a Canadian astronaut who made history by becoming the first Canadian to fly two space missions. He has spent a total of 206 days in space across his missions on the Space Shuttle and the International Space Station. Thirsk's contributions to space exploration and science have made him a respected figure in the field.
Soviet cosmonaut Valentina Tereshkova was the first woman in space. She spent three days in space in June 1963