TWO SOLAR CYCLES ARE ACTIVE AT ONCE: You don't see this every day. There are two sunspots on the sun today, and each one comes from a different 11-year solar cycle. Two solar cycles are active at once. What does it mean? Find out on today's edition of Spaceweather.com.
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Above: These two sunspots have opposite magnetic polarities--a sign that they come from different solar cycles. Credit: NASA/SDO with labeling by Dr. Tony Phillips