Part of the Astronomers’ Universe Series book series (ASTRONOM)


“To be or not to be ....” This famous phrase not only introduces Hamlet’s dilemma, it also poses the question a scientific conjecture ultimately must confront. Until that confrontation occurs, the conjecture will be tenable if (1) there is no evidence contradicting it, and (2) it is based either on verified predictions or on a plausible theoretical framework (or both).a Sometimes conjectures graduate and become new paradigms, an example of which is general relativity.


Dark Matter String Theory Cosmological Constant Early Universe Vacuum Energy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media, LLC 2007

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