FOGGY SUNSPOTS: Living in a fog can have its advantages. For one thing, it allows you to see big sunspots. Mila Zinkova of San Francisco, California, sends this picture of the foggy sunset on July 28th:
The tree limbs point across the solar disk to sunspot group AR1532, the source of at least one M-class solar flare per day since Friday. NOAA forecasters estimate a 25% chance of additional M-flares during the next 24 hours, although the actual odds seem higher. More flares (and more spotted sunsets) are in the offing. Solar flare alerts: text, voice.
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