Physics
Scientific paper
Jul 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ejph...21..347m&link_type=abstract
European Journal of Physics, Volume 21, Issue 4, pp. 347-351 (2000).
Physics
Scientific paper
In discussions of the theory of black holes with negligible rotation, the Schwarzschild and ingoing Eddington-Finkelstein coordinate systems have been employed more than any other. In recent years, the latter has been treated as the standard, while the relationship between the two has been ignored. Here, we make use of that relationship. In addition, by taking a holistic view, not considering the black hole to be isolated, it is shown here that this `standard' time coordinate cannot be considered to be true time. Being partially spatial in character, it allows the violation of the law of cause and effect. The situation is illustrated by a fictitious story of the rescue of a robot falling into a black hole. It is also shown that neither system, while applicable, allows a falling body to reach the horizon. Eventually, as the universe grows older, neither system remains applicable. However, the Schwarzschild system is found to be the better of the two.
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