Sun explosions and auroras right here

Last week’s huge X-class solar flare did not give us auroras – because we never had a chance. Thursday night turned cloudy early, and the solar material wasn’t scheduled to reach us until the wee hours, after rain had started. But much more can happen when such giant Coronal Mass Ejections from the Sun reach our planet.

My recent book, The Sun’s Heartbeat, has a chapter crammed with dramatic examples. Let me share a few with you. (Yes, it’s shameless plug, but I can’t help it.)

First, we’ve not seen anything as powerful as . . .

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