![]() Without a suit, however, death would arrive much faster. If an astronaut was lost in space with no way to return, this would be their downfall. The two oxygen tanks allow a maximum of between 6.5 and 8.5 hours outside in space, before which astronauts will need to refill the tanks. The spacesuits are essentially mini spaceships, keeping pressure, and providing oxygen and warmth to the astronaut within. If someone were to become lost in space, the amount of time they had left would depend heavily on whether they had a spacesuit on or not. How Would You Die if You Got Lost in Space? Their bodies were not lost to space, however, and were recovered from the Soyuz after it had landed. A malfunction caused a valve to open on the Soyuz 11 as it separated, leading to the cosmonauts dying from exposure to the vacuum and lack of oxygen. In 1971, Soviet Union cosmonauts Georgy Dobrovolsky, Viktor Patsayev and Vladislav Volkov were killed as the Soyuz 11 undocked from the space station Salyut 1. There have been three deaths that have occurred in space, however, defined as having occurred above the Kármán line at the edge of space, 62 miles up. McCandless used nitrogen gas thrusters on the backpack of his spacesuit to propel himself away from the shuttle, posed for the iconic photograph, then thrust his way back to safety. ![]() The first astronaut to float away from the safety of their ship without a tether was Bruce McCandless, who reached 320 feet away from the Challenger space shuttle on February 7, 1984. ![]() Thankfully, an astronaut being irretrievably stranded away from their spacecraft has never happened before. ![]() While these astronauts will stay safe inside their pressurized spacecraft, what would happen if someone were to be stranded in space without a ship? Has Anyone Ever Got Lost in Space? Death in space would take a lot longer if an astronaut had their suit on than if they were unprotected. Stock image of an astronaut floating in space in a spacesuit. ![]()
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