Solar activity follows an 11-year cycle – here’s how it controls eruptions and solar flares

When you look up at the sky on a sunny day, the Sun might seem like a bright spot, unchanging in the sky. But the Sun is a complex, dynamic celestial body, wrapped in electrical currents and magnetic ...
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How long does it take the sun to rotate?

Many objects in space rotate. Earth completes a spin in roughly 24 hours, while Venus takes a whopping 243 Earth days. The moon's rotational period is about 27 days. The sun, it turns out, also ...
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Solar activity follows an 11-year cycle – here’s how it controls eruptions and solar flares

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Yeimy J. Rivera, Smithsonian Institution (THE CONVERSATION) When you look up at the ...