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Brewing up a solar storm

Earth and the life on it managed to survive a faint Sun during the solar system’s early years. We face a far more luminous star in the 21st century, and one that is nearing maximum activity during 2013.
RELATED TOPICS: SOLAR SYSTEM | SUN
Sun
Astronomers expect the Sun to reach the peak of solar cycle 24 sometime this autumn. Although this maximum likely will be the smallest since 1906, our star nevertheless has been putting on a show for solar observers.

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