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Space medicine is a developing medical practice that studies the health of astronauts living in outer space. The main purpose of this academic pursuit is to discover how well and for how long people can survive the extreme conditions in space, and how fast they can re-adapt to the Earth's environment after returning from space.
NASA astronaut Bruce McCandless II using a Manned Maneuvering Unit outside Space Shuttle Challenger on shuttle mission STS-41-B in 1984. 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 commander or crew member aboard a spacecraft.
The first space rendezvous was accomplished by Gemini 6A and Gemini 7 in 1965.. Records and firsts in spaceflight are broadly divided into crewed and uncrewed categories. Records involving animal spaceflight have also been noted in earlier experimental flights, typically to establish the feasibility of sending humans to outer space.
Astronauts take hundreds of stunning photos from the International Space Station.. This year's best snapshots reveal both Earth and space in glorious detail. Check out astronauts' views of ...
NASA astronauts Suni Williams, left, and Butch Wilmore, wearing Boeing spacesuits, depart the Neil A. Armstrong Operations and Checkout Building at Kennedy Space Center in Florida on June 5, 2024.
Three NASA astronauts and a Russian cosmonaut splashed to Earth early Friday, Oct. 25, after a nearly eight-month science mission at the International Space Station (ISS).
Research has begun into the culture and "microsocieties" that are formed in space, with space archeologists analyzing residue from space environments to learn about astronaut life. [60] A few incidents of astronauts from different countries having difficulties in getting along have also been studied. [61]
Two astronauts entered Tiangong 2 and were stationed for about 30 days, verifying the viability of astronauts' medium-term stay in space. [14] In April 2017, China's first cargo spacecraft, Tianzhou 1 docked with Tiangong 2 and completed multiple in-orbit propellant refueling tests, which marked the successful completion of the second phase of ...