Front page photo: ©Verve magazine On September 17th, 1770, a magnificent magnetic storm —the largest of its type— lit up the skies over Earth. Its fan shaped created by light at the horizon, stretching into white fingers that spread wide across the sky. These narrow and tall streaks emitting light along obliquely inclined magnetic lines at regular intervals —infused with a red glow— creating a … Seguir leyendo Centuries old Japanese drawings point researchers towards a better understanding of fan-shaped auroras