A gigantic sunspot that doubled in size in just 24 hours, is now facing Earth with the possibility of emitting a solar flare that could knock out communications on our humble rock.

Sunspots are darkened patches on the Sun caused by its magnetic field, according to NASA. These spots are often precursors to solar flares, intense outbursts

Source: Hot Hardware – Massive Sunspot Threatens A Solar Flare Event That Could Knock Out Comms On Earth