solar flare

geomagnetic storms

The trouble 'measuring' geomagnetic events

A sunspot five times the width of Earth exploded earlier this week. On September 10, it released an X-1.6 class solar flare. A solar flare is a sudden burst of energy that releases much more light and other radiation in one second than it usually does. This one was

solar flare

Unusual third Van Allen belt explained

Remember that third Van Allen radiation belt that appeared in February and lasted for about a month? Scientists from the University of California, Los Angeles, have started to understand what it really was – a belt composed solely of electrons moving at almost light-speed – and why it occurred – because of a