This "Critique of Pure Reason" author called some fuzzy objects "island universes" in 1775; he was right
[DOC] [TLE] Composition as a Fiction | Gideon Rosen - Academia.edu [PAR] An object could be at rest or in motion only with respect to some other object 
taken as ... view, say that space exists as a substance in its own right, is 
manifestly absurd.