Canadian astronaut Chris Hadfield is certainly no stranger to fans of spaceflight.
But chances are you didn't know many personal details about Canada's first spacewalking astronaut.
Here, in response to questions from HuffPost Science, are 16 things to know about Chris Hadfield.
- FULL NAME: Chris Austin Hadfield
- BIRTHPLACE: Sarnia, Ontario
- MOTHER'S OCCUPATION: Homemaker, wife
- FATHER'S OCCUPATION: Farmer, pilot, husband
- SIBLINGS: Two of each
- CHILDHOOD PET: Joe, a yellow Lab
- COLLEGE: Royal Military College, University of Waterloo, University of Tennessee
- MAJOR/DEGREE: Engineering
- FAVORITE SCIENTIST: Da Vinci
- HIDDEN TALENT: Double-jointed thumbs
- PET PEEVE: Spelling
- FAVORITE FOOD: Crème brûlée
- FAVORITE MOVIE: Chariots of Fire
- FAVORITE BOOK: The Name of the Rose
- MOST PEOPLE DON'T KNOW I... was a downhill ski racer
- TIME SPENT IN SPACE: 165 days, 16 hours, 22 minutes, or so
Check out some of Hadfield's stunning photos from space here.