Now the cover of the textbook Electricity and Magnetism, Berkeley physics course-- volume 2, 1965, Purcell is a pictorial of Gauss's law of electricity showing where the lines of force loop from a positive to a negative charge.
Now in Wikipedia under Maxwell's Equations shows us Gauss's law for magnetism with a picture caption saying "magnetic field lines never begin nor end but form loops or or extend to infinity as shown here with the magnetic field due to a ring of current."
Now the difference is that one has electric charge monopoles while magnetism is dipole. But if we are not ignorant and accept magnetic monopoles for otherwise we lose Special Relativity since the speed of light is a constant and that only happens if the light-wave is a double transverse wave having magnetic monopoles for symmetry of the electric charge.
Light cannot be symmetrical if magnetic monopoles did not exist to counterbalance the electric charge.
The two pictures look about the same of the Purcell text cover and the Wikipedia Gauss's law of magnetism except that electricity law has a start and end of the lines of force.
Now, look at this picture of the universe within 5000 light years "The Orion Arm" from:
The reader should sense where I am going with this. In that the picture of the magnetic field of monopoles or the electric field of positive and negative charge is the same pictorial of stars in our Milky Way Galaxy.
In fact the Oort Cloud of the Solar System with planets is a smaller picture of the fact that astronomy is built from the Maxwell Equations.
Now to jump to the distribution of galaxies, we find the same geometry where galaxies are spaced so that they form successive rings. The walls of galaxies are actually lines of force or rows of galaxies like that of rows of trees in a fruit orchard, except the land that the orchard is on, is very curved surface, not flat.
Approximately 90 percent of AP's posts are missing in the Google newsgroups author search starting May 2012. They call it indexing; I call it censor discrimination. Whatever the case, what is needed now is for science newsgroups like sci.physics, sci.chem, sci.bio, sci.geo.geology, sci.med, sci.paleontology, sci.astro, sci.physics.electromag to?be hosted by a University the same as what Drexel?University hosts sci.math as the Math Forum. Science needs to be in education?not in the hands of corporations chasing after the next dollar bill.
Only Drexel's Math Forum has done a excellent, simple and fair author- archiving of AP sci.math posts since May 2012 as seen here :