Frame dragging

/freɪm ˈdræɡɪŋ/ noun

A relativistic effect where a massive rotating object drags spacetime around with it, causing nearby objects to be pulled along in the direction of rotation. This effect, predicted by Einstein's general relativity, is strongest near rotating black holes and neutron stars.

Term developed in general relativity from 'frame' (referring to reference frames in physics, from Old English 'framian' meaning to benefit) and 'dragging' (Old English 'dragan'). The effect was first described by Lense and Thirring in 1918, hence also called the Lense-Thirring effect.

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