Reports are coming in that an ‘extreme’ solar storm is heading towards Earth, and is likely to affect communications and power grids tomorrow (Friday or Saturday, depending on where you are).
This won’t be the first or last such event, but it’s only since we became so dependent on satellites, electricity, and global communications that a solar storm has had the potential to cause havoc. Before we relied on electricity, no doubt people just enjoyed the pyrotechnics as the sky lit up with the Aurora Borealis or (for the minority of us in the southern hemisphere) the Aurora Australis – and attributed the display to supernatural phenomena.
One of the largest such events to be recorded in detail took place between 28 August and 2 September 1859. Continue reading