Australia Russian Valery Polyakov, who holds record for longest area objective, dead at 80 By australianadmin September 20, 2022September 20, 2022 0 minutes, 9 seconds Read Valery Polyakov, the Russian cosmonaut whose 437 days aboard the Mir area station set the record for the longest single stay in area, has passedaway at age 80, Russia’s area company revealed Monday…Read More.