Mention306712
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| so:text | These... are the two observational facts about our neighbourhood, which have to be accounted for by the theory: there is a finite density of matter, and there is expansion, i.e. the mutual distances are increasing, and therefore the density is decreasing. (en) |
| so:isPartOf | https://en.wikiquote.org/wiki/Willem_de_Sitter |
| so:description | Kosmos (1932) (en) |
| so:description | Above is Beginning Quote of the Last Chapter: Relativity and Modern Theories of the Universe==== --X (en) |
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Triples where Mention306712 is the object (without rdf:type)
| qkg:Quotation289503 | qkg:hasMention |
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