5 results for “astronaut”
Space & the Universe
Space Exploration
Astronauts there study how plants grow, how fluids and flames behave without gravity, and how the human
Article · 3 min read
Planets & the Solar System
The Moon
astronauts showed it is made of material almost identical to Earth's outer layers, but with
Article · 4 min read
Matter, Energy & Physics
Gravity
astronaut on the Moon dropped a hammer and a feather and they hit the ground at the same
Article · 4 min read
The Human Body
The Skeleton and Bones
astronauts or a limb in a cast, thins it fast. The marrow inside the bones is the body
Article · 5 min read
The Human Body
Muscles
astronauts in weightlessness must exercise two hours a day to keep theirs. Control Each muscle fibre
Article · 4 min read
