A sunspot 15 times larger than Earth is visible on the Sun's surface and has already caused several solar flares. And if you want to observe it before it disappears, you will need to equip yourself wi
th special equipment. ...
Автор: notebookcheck.net
Источник: https://www.notebookcheck.net/A-sunspot-15-times-larger-than-Earth-is-currently-visible-on-the-surface-of-the-Sun.1220444.0.html