A discussion on the hypothesis that the universe is a black hole

Approaches from Newtonian mechanics and Special relativity

Abstract

Various cosmological models have been proposed even in this modern day, but this time we discussed  an unique hypothesis that "the universe is a huge black hole" using Newtonian mechanics and Special relativity. The black hole universe model was interpreted by considering that the shift of event horizon depending on the potential of the observation point, and the mass of the observable universe was estimated at 1.03 × 10⁵³ kg. The following interpretations were obtained from this discussion. The redshift of distant stars is gravitational redshift, not due to Doppler shift. And inflation of the universe means that the Schwarzschild radius is expanding, not necessarily that the stars are moving away from each other. Furthermore, the "repulsive force" inside a black hole was derived, and attempts were made to apply this to atomic physics, etc.