Kelly Marie Tran and Naomie Ackie sent their congratulatory message shortly after Koch broke the record for the longest single spaceflight by a woman.
Star Wars actors congratulate record-breaking NC astronaut
RELATED: NC State grad, NASA astronaut Christina Koch sets record for longest single spaceflight by a woman
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"We hear that you (Christina Koch) are breaking the world record for the longest duration of space flight," said Ackie.
"By a woman. Yes, girl power!" Tran chimed in. "We're so inspired by your work."
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Koch beat the record was 288 days set by former NASA astronaut Peggy Whitson by spending 289 days aboard the International Space Station.
NASA/International Space Station via Storyful contributed to this story.