تعريف ”الآن“ الزمني في الفيزياء

المصادر https://interestingengineering.com/science/block-universe-theory-is-the-passing-of-time-an-illusion https://www.informationphilosopher.com/freedom/special_relativity.html http://thescienceexplorer.com/universe/researchers-can-now-see-inside-black-hole https://www.physicsoftheuniverse.com/topics_blackholes_singularities.html