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Physics
Astronomy
Astronauts
All Subcategories (13)
Diversity and Representation
Duration in Space
Envelopes
Equipment
Jessica Watkins' Journey
Latino Astronauts
Oklahoma Astronauts
Personal Belongings
Personal Belongings in Space
Pioneers
Qualifications and Requirements
South African
Spacewalks and Orbital Repairs
Parent Categories (17)
Astronomy
Career
Careers and Professions
Historical Figures
Notable Oklahomans
People
Ratios
Ratios and Proportions
Science and Exploration
Science and Space
Science and Technology
Science/Space
Scientists
Scientists, inventors, and explorers
Significant Figures
Space
Space Exploration