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NEW YORK: THERE’S a battle going on over our heads: Earth’s ionosphere is fighting to repel an onslaught of raw energy shot at us from the Sun. The sights are spectacular.
Two strong solar storms have slammed into Earth in recent days, increasing the chances of fluctuations in the power grid and for GPS systems to go haywire.
There are also pushes shimmering polar auroras to places where more people can possibly see them — such as Sydney.
The shimmering, shifting light show is caused by electrically charged protons being diverted harmlessly by Earth’s magnetic field. Those protons that get low enough — about 100km above the ground — can collide with the atoms of the upper atmosphere.
