The magnetospheric eternally collapsing object (MECO) is an alternative model for black holes initially proposed by Indian scientist Abhas Mitra in 1998...

accreting object at the heart of Q0957+561 is not a supermassive black hole, as is generally believed for all quasars, but a magnetospheric eternally collapsing...

increase. Fuzzball Gravastar Dark-energy star Black star Magnetospheric eternally collapsing object Dark star Primordial black holes An exotic star is a hypothetical...

effect, an object within the ergosphere cannot appear stationary with respect to an outside observer at a great distance unless that object were to move...

energy (per mass of the thrown in object) is extracted if the black hole is rotating at the maximal rate, the object just grazes the event horizon and...

thermodynamics Photon sphere Gravitational time dilation Magnetospheric eternally collapsing object Almheiri, Ahmed; Marolf, Donald; Polchinski, Joseph; Sully...

hole Gravastar Dark star Dark energy star Black star Magnetospheric eternally collapsing object Fuzzball White hole Naked singularity Ring singularity...

these situations. Caustics may occur in simple models of gravitational collapse, and can appear to lead to singularities. These have more to do with the...

models Black star Dark star Dark-energy star Gravastar Magnetospheric eternally collapsing object Planck star Q star Fuzzball Geon Analogs Optical black...

(semiclassical gravity) – gravitational object composed of matter. Magnetospheric eternally collapsing object – proposed alternatives to black holes advocated...