Sunspots have reached a 23-year peak, so when might Philly see the northern lights?
The peak storm activity could continue into early 2025, which would give the Philly region at least a shot at seeing the aurora as the nights lengthen.
The northern lights, or the aurora borealis, appear in the sky over Rat Lake in Yellowknife in Canada's Northwest Territories last month. The solar storms that ignite the aurora were especially plentiful in August.Read moreBill Braden / AP
