Use const instead of magical number for earth R (#6509)
Use const instead of magical number for earth R (#6509)


Leaflet/Leaflet,Leaflet/Leaflet,CapeSepias/Leaflet,stefanocudini/Leaflet,CapeSepias/Leaflet,Leaflet/Leaflet,stefanocudini/Leaflet,CapeSepias/Leaflet,stefanocudini/Leaflet