Strong orthogonal evidence for the existence of dark matter is its success in explaining a variety of cosmological effects, notably the properties of the Cosmic

Strong orthogonal evidence for the existence of dark matter is its success in explaining a variety of cosmological effects, notably the properties of the Cosmic Microwave Background: https://en.wikipedia.org/wiki/Lambda-CDM_model https://en.wikipedia.org/wiki/Lambda-CDM_model See https://en.wikipedia.org/wiki/Dark_matter#Observational_evidence https://en.wikipedia.org/wiki/Dark_matter#Observational_evid... for an overview.