天体物理学と航空宇宙技術

Background: In oncology, U.S. patients from racial and ethnic minority bunches will quite often encounter more awful disease results contrasted and white people, however major changes to decrease these aberrations stay subtle. Expanding doctor labor force variety has been distinguished as a way to further develop wellbeing value, and defeat cultural predispositions and disparities in the United States. Doctors from racial and ethnic gatherings that are generally underrepresented in medication (UIM) are bound to rehearse in medicinally underserved networks and lead wellbeing variations research.

According to Stephen Hawking, black hole create and emit particles thereby evaporating and losing their mass slowly with time. As it loses its mass, the wavelength of the emitted particles decreases and the energy of the black hole radiation increases. The wavelength of Hawking radiation is related to the curvature of space-time continuum near the event horizon by the equation

where λ_HR is the wavelength of the Hawking radiation. Also, by subtracting this equation from the net energy content of the black hole before emission, we can get the energy of the black hole after emission. Since black holes emit radiation that has immense pressure when it’s mass tends to zero then due to radiation pressure exerted on a body will prevent it from crossing the event horizon which is a property of white holes. In this way a black hole may behave as a white hole.