The sun expels another giant spray of coronal mass reports on another massive explosion from the sun, this time on the farside:

Earlier today, July 23rd, a spectacular CME emerged from the farside of the sun. Coronagraphs onboard the orbiting Solar and Heliospheric Observatory (SOHO) tracked the fast-moving cloud as it billowed into space:

And here is a GIF video of the Sun as seen by the STEREO spacecraft;

At around 5:00 on 2017/07/23 there is a large coronal mass ejection.


If this explosion had occurred 2 weeks ago when the huge sunspot was facing Earth, we would be predicting strong geomagnetic storms in the days ahead. Instead, the CME is racing away from our planet … and directly toward Mars. Compared to Earth, the Red Planet is currently on the opposite side of the sun, and apparently in the crosshairs of this CME. Mars rovers Curiosity and Opportunity might be observing the effects of a solar storm later this week.

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