Which woman astronaut has set the record for the longest single spaceflight by a woman?

Sunita Williams Jessica Meir Peggy Whitson Christina Koch

Christina Koch

The correct answer is Option (4) → Christina Koch The woman astronaut who holds the record for the longest single spaceflight by a woman is Christina Koch. She spent an impressive 328 days on the International Space Station, surpassing the previous record set by Peggy Whitson.