The Sun has been up to some pretty intense shenanigans lately, but a recent eruption on the far side looks to be absolute science gold. On the evening of September 5 GMT, an enormous coronal mass ejection (CME) was recorded exploding on the far side of the Sun, sending a radiation storm out across the Solar System. It was a type known as a halo CME, in which an expanding halo of hot gas can be seen spewing out around the entire Sun. Sometimes this means that the CME is headed straight for Earth. However, this eruption was on the...