> 3. The polar areas are marked by deep blue/violet colors. > Is this a product of the imaging process (perhaps due to the > temperature of the polar ice regions) ? I was given this image on a poster a few years ago. The coloured areas at the poles are intended to be a representation of aurora. Mark __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>