Southern EnglandPertaining to, or caused by, gravity or gravitation.
The shapes of two massive galaxies in this image evolved under the effects of gravity.
Pertaining to, or caused by, gravity or gravitation.
The Leaning Tower of Pisa, where according to legend Galileo performed an experiment about the speed of falling objects
Pertaining to, or caused by, gravity or gravitation.
An initially-stationary object that is allowed to fall freely under gravity drops a distance that is proportional to the square of the elapsed time. This image spans half a second and was captured at 20 flashes per second.