Category Archives: Astrophysics and Cosmology

What does Einstein’s General Relativity Tell Us about Black Holes?

Presentation Slides We have today given a presentation at IU Science Slam with the same title as this post. The main themes are to¬†present the black hole theory derived from Einstein’s General Relativity, and to¬†point out the essential differences between … Continue reading

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Singularity at the Black-Hole Horizon is Physical

1. Newtonian Viewpoint Consider a massive body with mass inside a ball of radius . The Schwarzschild radius is defined by Based on the Newtonian theory, a particle of mass will be trapped inside the ball and cannot escape from … Continue reading

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Contradictions between the Black Hole and the Big-Bang Theories, and the Structure of the Universe

Based on the authors’ recent work [1, 2, 3], the main objectives of this post are as follows: First, assuming the Einstein theory of general relativity, we demonstrate that the theory of black holes and the theory of Big-Bang are … Continue reading

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Remarks on a New Blackhole Theorem

This post makes a few remarks on the following blackhole theorem proved in (Tian Ma & Shouhong Wang, Astrophysical Dynamics and Cosmology, J. Math. Study, 47:4 (2014), 305-378): Blackhole Theorem (Ma-Wang, 2014) Assume the validity of the Einstein theory of … Continue reading

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