KONCEPCJA MULTIWSZECHŚWIATA – ZA i PRZECIW
THE CONCEPTION OF A MULTIUNIVERSE – FOR AND AGAINST

Summary/Abstract: The recent achievements in cosmology and particle physics lead to surprising conclusions. They suggest the existence of many different multiverses, in addition to our own. The hypothesis of a multiverse appears as a consequence of considerations both on the biggest and the smallest possible scale, respectively utilising the so-called theory of eternal chaotic inflation and the theory of superstrings, articulated as the proposal of the so-called cosmic ‘landscape’. The conception of a multiverse could rationally explain the origin of our Universe, how it came into existence, as well as the details of its functioning, and the issue of its ‘fine-tuning’ to the development of life. But, are the speculations concerning multiverses, which we will never be able to see, based on the theories which perhaps will never be testable empirically, still science or already (unjustly) philosophy? The article has a review character: it compiles the arguments of supporters and opponents of the multiverse concept. As an unexpected conclusion, there is a suggestion that the concept under consideration may explain the parameters of our Universe, but it says nothing about the very fact of anything coming into existence. In other words, the question remains open: Why is there anything rather than nothing?

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