Solar astronomers can now predict future sunspots

Iowa Climate Science Education

Astronomers have learned that the Sun can be studied using sound waves.

(Excerpt) – The surface of the Sun is a turbulent dance of gravity, plasma, and magnetic fields. Much like the weather on Earth, its behavior can seem unpredictable, but there are patterns to be found when you look closely.

Sunspot compared to Earth

The first pattern to be observed on the solar surface was that of sunspots. Sunspots were noticed by a few ancient astronomers, but they have been regularly studied since the 1600s. As astronomers counted the number of spots seen each year, they found the Sun goes through active years and quiet years. There is an 11-year cycle of high and low sunspot counts. There are other cycles as well, such as the Gleisberg Cycle, which lasts 80 – 90 years.

These patterns are similar to the tornado seasons of the American Midwest, or the El…

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About Rashid Faridi

I am Rashid Aziz Faridi ,Writer, Teacher and a Voracious Reader.
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