what is longest a person has been in space
12:52PM BST 12 Sep 2015. An astronaut has broken the record for the longest amount of time spent in space becoming the world's most experienced space flier. Russian cosmonaut Gennady Padalka, 57, has spent a record 879 days in space throughout his career as he return from his latest mission from the International Space Station.
The longest continuous stay in space is 438 days, by Valeri Polyakov.