Mega Collaps on the Sun

The mega-filament collapsed in a gorgeous cascade of hot plasma between noon and 2 p.m. EST. NASA’s Solar Dynamics Observatory captured a beautiful movie of the eruption (above). The explosion does not appear to be aimed at Earth, so we shouldn’t expect any magnetic storms or satellite troubles. The loop of hot plasma has been…

DXCC changes

Do you remember the entity grouping FS and FJ islands ? In those days, they were both communes of the department of Guadeloupe, and obviously did not meet the criteria to be counted as 2 separate islands. Do you remember that on 14 December 2007, FJ was added to the list of DXCC entities, following…