General Relativity2026-07-251 minarXiv:2607.23387expressGravity Can PushTwo balls dropped from different heights fall to the ground with different accelerations. In space, things are more complicated: even emptiness makes bodies move differently.Rohit Ghosh·Biplab Raychaudhuri·Aditya S. Mondal·Mahasweta Bhattacharyagravitational lensingLaw of Universal GravitationAdam RiessAlan GuthAlbert Einsteingravityspacetime curvaturedark mattergravitational potentialspacetime👍👎☆SimplePopularAdvanced