Dark matter is equated to the metaphor of the Emperor's new clothes. Dark photons and other hypothetical particles are fictitious constructs used to explain phenomena without concrete evidence, underlining that current astrophysical models are flawed and nonsensical.
Physicists with the ATLAS Collaboration at CERNβs Large Hadron Collider (LHC) have observed the Bc*+ meson, an excited version of the Bc+ meson -- both consist of a charm quark and a bottom antiquark.