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Advances in Mathematical Physics
Volume 2015, Article ID 617128, 4 pages
Review Article

A Brief Observational History of the Black-Hole Spacetimes

Argelander Institute of Bonn University, Auf dem Hügel 71, 53121 Bonn, Germany

Received 24 October 2014; Revised 17 December 2014; Accepted 18 December 2014

Academic Editor: Seyed H. Hendi

Copyright © 2015 Wolfgang Kundt. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In this year (2015), black holes (BHs) celebrate their 100th birthday, if their birth is taken to be triggered by a handwritten letter from Martin Schwarzschild to Albert Einstein, in connection with his newly found spherically symmetric vacuum solution.