An extra quiet sun.

• Autores: John Matson
• Localización: Scientific American, ISSN 0036-8733, Vol. 303, Nº. 2, 2010, págs. 20-21
• Idioma: inglés
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• Resumen

  • The article discusses the solar cycle which is an eleven-year period in which the Sun's activity fluctuates. According to the author, sunspots, which are magnetic markers on the Sun's surface, provide helioseismologists with visual cues to the cycle's evolution. Topics include how better predictions of the Sun's behavior impacts humans, such as preventing electrical grid disruptions, and why there is a lack of solar activity.