A sunspot 7 times the size of Earth could spark aurora as far south as Michigan, New York, and Pennsylvania this Friday
Aurora are usually contained to the uppermost art of the Northern Hemisphere. But US states as far south as Michigan may be able to see them this Friday.
George Lepp/Getty Images
- A stunning aurora may be visible farther south than usual this Friday, lighting up the northern US.
- That's thanks to an overactive, giant spot seven times the size of Earth that's erupting on the sun.
- Northern border states from Washington to Michigan are most likely to see the aurora Friday night.
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