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Black holes as boson stars.
Clark (2017) in an article “holy moley” published in the New Scientist (15 July) considers boson stars and black holes as two different types of objects. As far as black holes are considered it canExpand
A new Cosmological model that including inflation, deceleration, acceleration and deceleration again
Here Λ is cosmological constant. The Einstein’s Field Equations are modified. Λ is considered as a variable of cosmic time. The assumptions of a homogeneous and isotropic universe based on the Mach’sExpand