The Sun is an active star that influences the Earth as well as the entire solar system. Most dynamic phenomena on the Sun are observed as coronal mass ejections...
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TalkSolar-terrestrial relations – combined remote sensing and in-situ data
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TalkTesting new ideas of sunspot formation: the negative effective magnetic pressure instability
The formation of active regions and its most visible outcome-sunspots-are still a matter of research. Magnetic flux tubes theory tends to explain the formation...
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TalkThe basal flux and the solar cycle variations
In the first part of the talk, I discuss the chromospheric activity of quiet Sun. The so-called basal flux, the minimum chromospheric emission of main sequence...
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TalkThe coronal heating problem: why MHD waves are trendy
The coronal heating problem has been with us for almost 70 years now. Among the different proposed explanations, wave-based heating mechanisms are recurrently...
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TalkThe COSMO Chromosphere and Prominence Magnetometer
The Chromosphere and Prominence Magnetometer (ChroMag) is a synoptic instrument with the goal of quantifying the intertwined dynamics and magnetism of the solar...
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TalkThe ESA/NASA mission Solar Orbiter
Solar Orbiter is the first mission of the ESA Cosmic Vision program and that has recently been approved at implementation level. It is an M class mission with a...
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TalkThe loopy Sun: resolving the small-scale solar magnetism
Solar magnetism may look deceptively boring (a rather common star with relatively low activity). As it turns out, even the most quiet areas of the Sun (away...
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TalkThe Magnetic Nature of Our Sun
This talk will give an overview of our understanding of the Sun in the 1960's, the major discoveries since then, and the main questions that need to be answered...
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TalkThe Science of Space Weather
What does space weather really mean, and why should scientists andnon-scientists be interested in it? I will discuss what we know and don’tknow about the causes...