Dark Matter Dark Energy

Energy And Mass Of Universe Is Constant But Understand That There Are Two Forms Of Mass And Energies In Universe. One form is completely counterbalanced with effective energy and mass Zero and other is non balanced energy and mass. Both forms are inter-convertible. There Is Enormous Energy Stored As Counter Balanced Energy. In present phase of cosmic cycle non balanced energy is converted into counter balanced energy and process is effectuated in black holes.  Heat and illumination is going to drop in universe as universe will age. All these concepts are very much real and described in detail in
https://www.createspace.com/4130565
Get insight into energy, mass, heat and illumination cycle of universe and definition of cosmic cycle