Tags » Solar Activity

A big hole in the sun's atmosphere

At the end of October, a hole in the sun’s atmosphere lashed Earth’s magnetic field with solar wind, sparking moderately-strong geomagnetic storms and almost a full week of Arctic auroras. 52 more words

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Sunspot Cycle Plunges

The sun has looked remarkably blank lately, with few dark cores interrupting the featureless solar disk. This is a sign that Solar Minimum is coming. 8 more words

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CME impact possible on Nov. 8th

On November 5th, a magnetic filament on the sun became unstable and erupted.

The blast opened a fiery canyon in the sun’s atmosphere and hurled a CME toward Earth. 47 more words

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Chance Of Magnetic Storms This Week

A large coronal hole is turning toward Earth, and it is spewing a stream of high-speed solar wind into space.

NOAA forecasters expect the stream to reach our planet on Oct. 48 more words

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