Terrifying History on Instagram: "On September 1–2, 1859, the most intense geomagnetic storm ever recorded, known as the Carrington Event, struck Earth. It was triggered by a massive coronal mass ejection (CME) from the Sun that arrived just 17.6 hours after British astronomer Richard Carrington observed a brilliant solar flare, creating the first documented link between solar activity and terrestrial effects. The storm’s immediate impact was extraordinary. Intense auroras were seen as far south