EntityQ3266751· pop 7· linked from 91 articlesf(R) gravitySign in to savetheory of gravity whose Lagrangian is some function of the Ricci scalar RConnectionsgravitational waveEntityPoisson's equationEntityaccelerating expansion of the universeEntityscalar curvatureEntityAlbert EinsteinPersonphysicsEntitygravityEntityNASAConceptBig BangEntityspeed of light in vacuumEntitygeneral relativityEntitydigital object identifierEntitydark matterEntityNewton's law of universal gravitationEntitystring theoryEntityCassini−HuygensEntitydark energyEntityNewtonian gravitational constantEntityQ180686EntitygravitonEntityCategoriesTheories of gravity