
Skywatchers worldwide were treated to a magnificent aurora light show over the weekend as northern lights were reported as far south as Greece and Turkey.
The colorful aurora displays were triggered by a strong geomagnetic storm that peaked as a strong G3 on Nov. 5 at 12:40 p.m. EST (1740 GMT) on the 5-grade scale used by the U.S. National Oceanic and Atmospheric Administration (NOAA) to assess the severity of space weather events.