Wolfgang J. T. Spyra, Adel Faridani, Kennan T. Smith, Erik's [Article] Computed Tomographic Imaging of the Coronary PDF

By Wolfgang J. T. Spyra, Adel Faridani, Kennan T. Smith, Erik L. Ritman

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Additional info for [Article] Computed Tomographic Imaging of the Coronary Arterial Tree-Use of Local Tomography

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Milne, had developed a cosmology that wasn't based on Einstein's general theory of relativity. Milne assumed the redshifts were real velocities, and galaxies were indeed moving away from us, but he assumed the universe consisted of galaxies with a wide range of velocities. If this was the case, the fastest ones would soon be in the outermost regions of the universe, leaving the others behind. This would also give a velocity-distance relation. In most respects, Hubble's 1931 paper was more convincing than his 1929 paper.

His work at the University of Chicago, however, had convinced him that the nebulae were island universes of stars. Upon his discharge in 1919, he went directly to Mount Wilson. The giant 100-inch reflector had been completed only a few years earlier, so Hubble had both it and the 60-inch reflector at his disposal. He was determined to use them to show that spiral nebulae were, indeed, island universes of stars. The route to the top of Mount Wilson was still in a primitive state in 1919. It was 9 miles up the 5700-foot peak, along a narrow singlelane road.

It seems now so much less justified to introduce such a member into the field equations. " Eddington was horrified by the suggestion that the term be dropped. He was still convinced that the universe had initially been in the state given by Einstein's model and that, after being disturbed slightly, it had begun expanding. With the cosmological constant gone the Einstein state would also have to go. This left a serious problem: how did the universe begin? Oddly enough, until then, cosmologists had not thought seriously about how the expansion began.

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