Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, but harmless on the ground.

Earth was just hit by the strongest solar radiation storm in over 20 years — here's what it means

Source: space
Source Link: https://www.space.com/astronomy/sun/earth-was-just-hit-by-the-strongest-solar-radiation-storm-in-over-20-years-heres-what-it-means