Sumner - Rooney et al. found a comprehensive network connecting opsin - containing cells across the entire body surface of the stars. (science.sciencemag.org)
In that case, Miller says, the matter falls all over the surface of the star. (discovermagazine.com)
Instead, we find in these new simulations that the magnetic field actually remains quite simple in structure — as if the cream refused to mix into the coffee — and you could, indeed, use a compass to navigate around on the surface of the star.» (sciencedaily.com)