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The sun in the past and now
The sun - a star
Structure of the Sun
Photosphere
Chromosphere
Corona
The torches and the sunspots
The chromospheric explosions
Protuberances
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Magnetic storms
The ozone
The earth climate
Other sun cycles
Other stars with the same activity as the sun
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Rudolf Wolf 11-years cycles Research on the sun activity 23-rd 11-year sun cycle The South-North asymmetry Surprises Prognoses

The sun in the past and now

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