G4, solar storm and Northern Lights
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Northern lights may be visible in 10 states tonight
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The CME was launched during a powerful X-class solar flare on Jan. 18 and raced toward Earth at speeds of 620–870 miles per second (1,000–1,400 km/s). Aurora chasers, get those camera batteries charged and your alerts switched on — tonight could be quite the night.
Aurora borealis sightings were reported as far south as Arkansas and Alabama on Monday night thanks to a severe geomagnetic storm.
Amazing light shows have been turning the sky shades of green and pink in parts of the UK this week. They're called the Northern Lights ( also known as the Aurora Boreali s) and they've been happening because of a powerful solar eruption and geomagnetic storm earlier this week. This is when waves of charged particles erupt from the Sun's surface.
Skywatchers across Colorado may get a rare treat Monday night as increased solar activity could push the northern lights far enough south to become visible in parts of the state with a Kp value of 8 out of 9.