Sat, 17 Jul 2021 06:42 UTC
On July 16, a powerful 'halo CME' escaped from the farside of the sun — the third such explosion in the last three days.
Imagine an explosion on the farside of the sun so powerful, we could feel it here on Earth, writes Dr Tony Philips over at spaceweather.com. Well, it just happened — for the third time in as many days.
The debris emerged in a circular cloud known as a 'halo CME':
When space weather forecasters saw the
first explosion (from July 13/14), there was a moment of dread — the ejection appeared to be heading
directly toward Earth; however, data from NASA's STEREO-A spacecraft indicated otherwise — the CME was a farside event, and was, thankfully, travelling directly