Aurora Borealis in the sky over Ukraine: astronomer explains rare phenomenon (photo)
On the evening of Sunday, November 5, Ukrainians in some regions could see a rare phenomenon – the aurora borealis. This could have happened due to a geomagnetic storm Astronomer Volodymyr Kazhanov writes about this. “There was a powerful geomagnetic storm associated with the bombardment of our planet by a coronal mass ejection that occurred […]