What natural phenomenon caused the Carrington Event of 1859?
Answer
A massive coronal mass ejection (CME)
The Carrington Event was a massive geomagnetic storm caused by a coronal mass ejection hitting Earth's magnetosphere.

Related Questions
In what year was the supernova SN 1006 observed, cited as the brightest celestial occurrence?What classification does the supernova SN 1006 belong to?What was the estimated peak apparent magnitude range for SN 1006?What natural phenomenon caused the Carrington Event of 1859?In which constellation was the massive star that exploded as SN 1006 located?During which time of day was SN 1006 reportedly visible, according to historical records?Compared to Venus (around -4.6 magnitude), how bright was SN 1006 at its peak?Which major cultural groups documented the sighting of SN 1006?What primary visual display resulted from the Carrington Event?What fundamental difference separates SN 1006 from the Carrington Event regarding their source?