{"version":"1.0","type":"link","title":"L-shell - Newikis","description":"The L-shell, L-value, or McIlwain L-parameter (after Carl E. McIlwain) is a parameter describing a particular set of planetary magnetic field lines. Colloquially, L-value often describes the set of magnetic field lines which cross the Earth's magnetic equator at a number of Earth-radii equal to the…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/7/7a/L_shell_global_dipole.png/1280px-L_shell_global_dipole.png","thumbnail_width":1280,"thumbnail_height":514}