| http://www.w3.org/ns/prov#value | - For reasons he could never make clear, he found universe so conceived particularly satisfying and he managed to find a solution to his own equations that specified universe of that sort, static and unchanged forever.[1][note 1] A.G. Riess declares that Einstein's original idea was to have constant amount of energy in the space.[3] When in 1920s Russian mathematician A.Friedman (1924)[4] and Belgia
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