Weightlessness

thumb|upright=1.35|Astronauts on the International Space Station experience only microgravity and thus display an example of weightlessness. [[Michael Foale can be seen exercising in the foreground.]]

environment with extremely low apparent gravitational force

fixed-wing aircraft that provides brief near-weightless environments

drop tower at the University of Bremen

structure used for zero-G experiments

a state where buoyancy forces are exactly balanced by weight on an immersed body

1999 pornographic science fiction film by John Millerman