actual Scientists cant even define mass, its like asking a woke person what a women is, pathetic. And the idea that mass is attracting mass is a Newton thing that was superseded by Einstein with the bending of spacetime, but if space is a vacuum of nothing and time is a concept, can you demonstrate how you bend a concept of nothing? If you do, youll for sure win a nobel prize and end the crisis in Cosmology. Go for it!