Abstract
Abstract We here-in demonstrate that the proposed hitherto unknown gravitomagnetic dark-force that hypothetically explains the Flat Rotation Curves of Spiral Galaxies — this same force, explains very well, the logarithmic and as-well, the barred spiral shapes of spiral galaxies. That is, much in line with Edward Arthur Milne (1896-1950)’s 1946 ideas — albeit, on a radically and asymptotically different philosophical train of thought, the galactic disk is here assumed to be in a state of free-fall around the central bulge with the hypothetical gravitomagnetic dark-force being the dominant force determining all gravity-related dynamics of the disk, thus leading to logarithmic and barred spiral orbits, hence the shape of spiral galaxies.
Highlights
This reading is the fourth in our four part series where we demonstrate that the Flat Rotation Curve Problem of Spiral Galaxies — commonly known as the Darkmatter Problem — does have a solution within the frame of gravitomagnetism
In summary and in a nutshell, we have demonstrated that one of the five solutions to the Four Poisson-Laplace Theory of Gravitation (FPLTG-model) presented in the reading Nyambuya (2015b), can — in-principle — explain the spiral character of galaxies provided that the proposed gravitational dark-force is part and parcel of the natural forces
Stars and molecular gas in spiral galaxies may very well be in a state of free-fall under the action of an inverse distance law that we have coined the gravitational dark-force
Summary
This reading is the fourth in our four part series where we demonstrate that the Flat Rotation Curve Problem of Spiral Galaxies — commonly known as the Darkmatter Problem — does have a solution within the frame of gravitomagnetism (presented in the reading Nyambuya 2015b). We here-in demonstrate (show) how one can explain the shape of spiral galaxies from this same law that was able to explain the flat rotation curves of spiral galaxies, and as-well as the Tully and Fisher (1977) Relation. 1970; Rubin and Ford 1970; Forman et al 1970) It is in these spiral galaxies where this phenomenon manifests itself in the form of the flat rotation curves for test bodies lieing in the galactic disk. Current wisdom holds that test bodies in the galactic disks of spiral galaxies are on elliptical trajectories with the shape of these galaxies being a result of a density wave sweeping the galaxy (Lin and Shu 1964). In both cases of bulge and bulge-less galaxy, the mass of the galaxy Mgal shall here be denoted by MB, and this is through the assumed relationship: Mgal ∼ MB
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