Only three people have actually died in outer space, as of 2014. During the 1971 flight of the Soyuz 11, three Soviet cosmonauts died when a ventilation valve ruptured, asphyxiating the crew and exposing them to the vacuum of space.Know More
The disasters that destroyed the Challenger and the Columbia space shuttles both occurred inside the Earth's atmosphere. Challenger exploded 73 seconds after lift-off, while Columbia broke apart on re-entry. The 1967 fire that killed the three-man crew of Apollo 1 took place during a ground test of the command module.
The first in-flight fatality on a space mission occurred when the Soyuz 1 capsule crashed in 1967. The descent module, carrying cosmonaut Vladimir Komarov, crashed due to a parachute malfunction.Learn more about Space Travel
According to the National Aeronautics and Space Administration, astronauts are sent into space to operate the International Space Station, help develop commercial spaceflight, investigate the possibilities of human exploration of deep space, develop new technologies and conduct research in a wide range of scientific fields. Many aspects of scientific studies of the Earth and the rest of the universe are easier to conduct from space.Full Answer >
According to Universe Today, astronauts use radio waves to communicate with Earth and between craft in space. While these waves travel at the speed of light, the long distances involved can induce delays in conversation between Earth and astronauts on long-distance missions.Full Answer >
The life support system installed in the space station helps astronauts live in space for extended periods of time. While in space, the life support system provides oxygen and filters out the carbon dioxide exhaled by the astronauts. In addition, astronauts go through rigorous training regimens to ensure that their bodies can handle the conditions.Full Answer >
As of July 13, 2014, worldspaceflight.com has on record 545 astronauts who have been to space, based on United States Air Force?s (USAF) report. F?d?ration A?ronautique Internationale?s (FAI) reports on this same website, that 539 astronauts have been to space.Full Answer >