Dark Matter

Observations show clearly that the mass required to produce the gravitational curvature necessary to generate the observed velocities of the stars within galaxies is several times that of the visible matter. The missing mass is assumed to be dark matter. Dark objects and black holes seem highly insufficient to make up the deficit. Dark matter theory assumes that the missing mass is from slow moving massive particles that do not interact with matter other than with their gravitational curvature. It is assumed that dark matter is made up by a new class of subatomic particles called WIMPs or weakly interacting massive particles. Virtually no progress has been made in identifying these particles or their structure.

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