![NASA Astronaut Tracy Caldwell Dyson and her husband George Dyson attend the world premiere for The Martian at the Toronto International Film Festival at the Roy Thomson Hall September 11, 2015 in NASA Astronaut Tracy Caldwell Dyson and her husband George Dyson attend the world premiere for The Martian at the Toronto International Film Festival at the Roy Thomson Hall September 11, 2015 in](https://c8.alamy.com/comp/F274H9/nasa-astronaut-tracy-caldwell-dyson-and-her-husband-george-dyson-attend-F274H9.jpg)
NASA Astronaut Tracy Caldwell Dyson and her husband George Dyson attend the world premiere for The Martian at the Toronto International Film Festival at the Roy Thomson Hall September 11, 2015 in
![NASA Astronauts on Twitter: "Astronaut Tracy Caldwell Dyson and @AstroDot have risen to new heights to inspire women. More: http://t.co/xcC1lhcCvr http://t.co/fUxxV2N9Ra" / Twitter NASA Astronauts on Twitter: "Astronaut Tracy Caldwell Dyson and @AstroDot have risen to new heights to inspire women. More: http://t.co/xcC1lhcCvr http://t.co/fUxxV2N9Ra" / Twitter](https://pbs.twimg.com/media/B_r8op1WYAAx4na.jpg)
NASA Astronauts on Twitter: "Astronaut Tracy Caldwell Dyson and @AstroDot have risen to new heights to inspire women. More: http://t.co/xcC1lhcCvr http://t.co/fUxxV2N9Ra" / Twitter
![Jasmin Moghbeli on Twitter: "Thanks to #NASA photographer @Joshvalphoto for capturing this moment with my mentor, veteran #astronaut Tracy Caldwell Dyson, helping me prep to get in the NASA Neutral Bouyancy Lab Jasmin Moghbeli on Twitter: "Thanks to #NASA photographer @Joshvalphoto for capturing this moment with my mentor, veteran #astronaut Tracy Caldwell Dyson, helping me prep to get in the NASA Neutral Bouyancy Lab](https://pbs.twimg.com/media/DsjFYgrU4AImdwu.jpg)
Jasmin Moghbeli on Twitter: "Thanks to #NASA photographer @Joshvalphoto for capturing this moment with my mentor, veteran #astronaut Tracy Caldwell Dyson, helping me prep to get in the NASA Neutral Bouyancy Lab
![Quick Take: Astronaut Dr. Tracy Caldwell Dyson on living in the International Space Station - YouTube Quick Take: Astronaut Dr. Tracy Caldwell Dyson on living in the International Space Station - YouTube](https://i.ytimg.com/vi/h62lxhCP7Uc/maxresdefault.jpg)
Quick Take: Astronaut Dr. Tracy Caldwell Dyson on living in the International Space Station - YouTube
![Dr. Karen James on Twitter: "Same woman, different contexts. Astronaut Tracy Caldwell Dyson. (h/t @MartianMovie @datachick for 1st, @nasa for 2nd) http://t.co/vVDgPyw7Ko" / Twitter Dr. Karen James on Twitter: "Same woman, different contexts. Astronaut Tracy Caldwell Dyson. (h/t @MartianMovie @datachick for 1st, @nasa for 2nd) http://t.co/vVDgPyw7Ko" / Twitter](https://pbs.twimg.com/media/COqjeVkWoAAngdi.png)
Dr. Karen James on Twitter: "Same woman, different contexts. Astronaut Tracy Caldwell Dyson. (h/t @MartianMovie @datachick for 1st, @nasa for 2nd) http://t.co/vVDgPyw7Ko" / Twitter
![Hollywood, California, USA 18th September 2018 NASA Astronaut/chemist Tracy Caldwell Dyson attends 20th Century Fox's 'Ad Astra' Special Screening on September 18, 2018 at Cinerama Dome in Hollywood, California, USA. Photo by Hollywood, California, USA 18th September 2018 NASA Astronaut/chemist Tracy Caldwell Dyson attends 20th Century Fox's 'Ad Astra' Special Screening on September 18, 2018 at Cinerama Dome in Hollywood, California, USA. Photo by](https://c8.alamy.com/comp/2A00C80/hollywood-california-usa-18th-september-2018-nasa-astronautchemist-tracy-caldwell-dyson-attends-20th-century-foxs-ad-astra-special-screening-on-september-18-2018-at-cinerama-dome-in-hollywood-california-usa-photo-by-barry-kingalamy-live-news-2A00C80.jpg)