underwater
astronaut
blond
boy
cartoon
character
cosmonaut
cosmos
costume
doctor
dumbbells
examination
exercise
fitness
flat
floating
gravity
health
helmet
isolated
job
laboratory
male
man
person
physical exercises
pilot
preparation
profession
professional
scientist
simulator
space flight
spaceman
spacesuit
spacewalk
style
suit
technology
testing
training
training center
training machine
treadmill
uniform
vestibular apparatus
water
white