So "really" isn't a word that we should use with simple confidence. If a neutrino had a brain, which it evolved in neutrino-sized ancestors, it would say that rocks really do consist of empty space.
Así que "realmente" no es una palabra que debamos usar con confianza Si un neutrino tuviera cerebro, que evoluciono en ancestros tamaño neutrino, diría que las rocas realmente consisten de espacio vacío.