Because of this i post it with an ?, but there are several hypothesis about it (no theories in science about something not independent repeatable, no confuse the meaning of theory in science, a theory in science is eg, the one of Einstein about relativity).
In some theories like conformal gravitation the graviton doesn’t exist.
Because of this i post it with an ?, but there are several hypothesis about it (no theories in science about something not independent repeatable, no confuse the meaning of theory in science, a theory in science is eg, the one of Einstein about relativity).