أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Your question still a challenging issue for physicists because the quantum aspect of gravity still under exploration for both theoretical and experimental physicists. but in the scale of the classical gravity, the space and time are continuous.
Discrete. Rest of the questions are in Arabic.I can't answer with Arabic.Google chrome is disturbing.
