Half a dozen times in the past 10,000 years, enigmatic ‘Miyake events’ have showered Earth with cosmic rays.
Typical amounts of solar particles hitting the earth’s magnetosphere can be beautiful, but too much could be catastrophic.
Svein-Magne Tunli - tunliweb.no/Wikimedia
Every few centuries the sun blasts the Earth with a huge amount of high-energy particles. If it were to happen today, it would wreak havoc on technology.
The low solar corona as viewed in extreme ultraviolet light. Bright regions are where the most energetic solar storms are born. An eruption in action can be seen in the bottom-left.
NASA’s Solar Dynamic Observatory (SDO) satellite.