Comparisons With Black Holes
- Radiation effects
- A dark star may emit indirect radiation as described above. Black holes as described by current theories about quantum mechanics emit radiation through a different process, Hawking radiation, first postulated in 1975. The radiation emitted by a dark star depends on its composition and structure; Hawking radiation, by the no-hair theorem is generally thought of as depending only on the black hole's mass, charge, and angular momentum, although the black hole information paradox makes this controversial.
- Light-bending effects
- Although "historical" Newtonian arguments may lead to the gravitational deflection of light (Newton, Cavendish, Soldner), general relativity predicts twice as much deflection in a lightbeam skimming the Sun. This difference can be explained by the additional contribution of the curvature of space under modern theory: while Newtonian gravitation is analogous to the space-time components of general relativity's Riemann curvature tensor, the curvature tensor also contains purely spatial components, and both forms of curvature contribute to the total deflection.
Read more about this topic: Dark Star (Newtonian Mechanics)
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