RT @perthobs: From @physorg_com Auroral mystery solved: Sudden bursts caused by swirling charged particles ow.ly/WbyrK https://t.co/zbk6BkI4A9
RT @perthobs: From @physorg_com Auroral mystery solved: Sudden bursts caused by swirling charged particles ow.ly/WbyrK https://t.co/zbk6BkI4A9