Mercury was hit recently by a gigantic eruption from the Sun, triggering X-ray auroras
Mercury was hit recently by a gigantic eruption from the Sun, triggering X-ray auroras Source: livescience.com https://www.livescience.com/space/the-sun/mercury-slammed-by-gargantuan-eruption-from-the-suns-hidden-far-side-possibly-triggering-x-ray-auroras