The first wave in a volley of solar storm particles from the sun hit Earth Friday (Sept. 9), setting the stage for what could be a striking weekend light show for observers at high latitudes in the Northern Hemisphere, skywatching experts say.
The charged solar particles were expelled by the sun during a series of sun eruptions (called coronal mass ejections, or CMEs) this week. They arrived at Earth Friday, were funneled toward the poles by the planet’s magnetic field and began
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