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ŽŽ’®—p@‰p•¶ƒeƒLƒXƒg@@Black holes are so much a feature / of modern developments / from Einstein's theory / that it comes as a surprise / to learn / that their existence was predicted / by eighteenth-century astronomers, on the basis of Newtonian ideas / about gravity.@Of course, those early ideas owed nothing to the concept of bent spacetime, and they rested upon a fundamental mistake about the nature of the Universe, (ˆÈ‰ºÈ—ª)(‘ˆî“c‘åŠwEŒoŠw•”) |