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Question: Christina Koch holds the record for the longest spaceflight by a woman. How many days did she spend in space?

Answer: Answer: 328 days (2019–2020).

Brief Info: Koch conducted six spacewalks and participated in the first all-female spacewalk with Jessica Meir. She is also part of NASA’s Artemis II lunar mission crew.

(Source: Nasa.gov, 06 Nov 2025)

Source Link: https://www.nasa.gov/people/christina-koch/