![The Martian Movie a Twitter: ".@NASA Astronaut Tracy Caldwell Dyson joins #TheMartian cast in Toronto for the World Premiere. #TIFF15 http://t.co/Z4bzbtBQfW" / Twitter The Martian Movie a Twitter: ".@NASA Astronaut Tracy Caldwell Dyson joins #TheMartian cast in Toronto for the World Premiere. #TIFF15 http://t.co/Z4bzbtBQfW" / Twitter](https://pbs.twimg.com/media/COqdaRjVAAEUXBc.png)
The Martian Movie a Twitter: ".@NASA Astronaut Tracy Caldwell Dyson joins #TheMartian cast in Toronto for the World Premiere. #TIFF15 http://t.co/Z4bzbtBQfW" / Twitter
![U.S. astronaut Tracy Caldwell Dyson prepares for a training session at the Star City space centre outside Moscow March 2, 2010. Caldwell Dyson and Russian cosmonauts Alexander Skvortsov and Mikhail Kornienko are U.S. astronaut Tracy Caldwell Dyson prepares for a training session at the Star City space centre outside Moscow March 2, 2010. Caldwell Dyson and Russian cosmonauts Alexander Skvortsov and Mikhail Kornienko are](https://c8.alamy.com/comp/2D2BTTT/us-astronaut-tracy-caldwell-dyson-prepares-for-a-training-session-at-the-star-city-space-centre-outside-moscow-march-2-2010-caldwell-dyson-and-russian-cosmonauts-alexander-skvortsov-and-mikhail-kornienko-are-scheduled-to-fly-to-the-international-space-station-iss-in-a-soyuz-tma-18-spacecraft-in-april-reuterssergei-remezov-russia-tags-sci-tech-transport-2D2BTTT.jpg)
U.S. astronaut Tracy Caldwell Dyson prepares for a training session at the Star City space centre outside Moscow March 2, 2010. Caldwell Dyson and Russian cosmonauts Alexander Skvortsov and Mikhail Kornienko are
![NASA astronaut Tracy Caldwell Dyson, two Russian cosmonauts blast off from southern Kazakhstan - New York Daily News NASA astronaut Tracy Caldwell Dyson, two Russian cosmonauts blast off from southern Kazakhstan - New York Daily News](https://www.nydailynews.com/resizer/GgYsz1x9rAPUp2MozHN3YRTYV8k=/415x282/top/arc-anglerfish-arc2-prod-tronc.s3.amazonaws.com/public/YMWQTV6BOFKVB7WIT434YLAGOY.jpg)
NASA astronaut Tracy Caldwell Dyson, two Russian cosmonauts blast off from southern Kazakhstan - New York Daily News
![NASA Astronaut Tracy Caldwell Dyson and her husband George attend the world premiere for "The Martian” on day two of the Toronto International Film Festival at the Roy Thomson Hall, Friday, Sept. NASA Astronaut Tracy Caldwell Dyson and her husband George attend the world premiere for "The Martian” on day two of the Toronto International Film Festival at the Roy Thomson Hall, Friday, Sept.](https://c8.alamy.com/comp/F6B4MW/nasa-astronaut-tracy-caldwell-dyson-and-her-husband-george-attend-F6B4MW.jpg)
NASA Astronaut Tracy Caldwell Dyson and her husband George attend the world premiere for "The Martian” on day two of the Toronto International Film Festival at the Roy Thomson Hall, Friday, Sept.
![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)