Valeri Polyakov in 1995 set a record for living in space for the longest time, 439 days, in the Russian space station Mir. That record has now been broken several times. Cosmonauts and astronauts must adapt to living in space. For example, astronauts must learn to brush their teeth in a different way in space. Children can learn more about daily life in space at: Living in Space.
Mar 222024