Christina Koch, a US astronaut set a record for the longest single spaceflight by a woman, breaking the old mark of 288 days with about two months left in her mission.
Context
Christina Koch, a US astronaut set a record for the longest single spaceflight by a woman, breaking the old mark of 288 days with about two months left in her mission.
The US record for longest space flight is 340 days set by Scott Kelly in 2015-2016.
The world record is 15 months set in the 1990s by a Russian cosmonaut aboard the former Mir space station.