A supermassive black holes exists, but not in the center of our galaxy or any other galaxy. It exists here on the face of the Earth -precisely in our cosmology textbooks. This supermassive black hole sucks any new ideas that would advance human knowledge of the universe and contribute to scientific progress and social development.
2- Invalid Derivation of Lorentz Transformations/Derivation of Gamma
3- The Derivation of Relativistic Velocity Addition
4- Time dilation and so called Twin paradox
5- Observations from Outer Space and Basic Experimental Facts Contradict STR
6- Detection of High Energy Cosmic Particles Contradicts STR