Researchers analyzing crimson auroras over Japan found the glowing displays stretched hundreds of miles higher into Earth's atmosphere than expected, challenging long-held assumptions about the strength of geomagnetic storms.

Unusual red northern lights over Japan suggest some solar storms are stronger than we thought

Source: space
Source Link: https://www.space.com/astronomy/sun/unusual-red-northern-lights-over-japan-suggest-some-solar-storms-are-stronger-than-we-thought