PH0021 Astronomy Lecture 19 (The Sun) 021203v7 The Sun, in all its glory!. Prof Rick Gaitskell Department of Physics Brown University See course pages for source http://gaitskell.brown.edu. Sun Data. The Sun - Photosphere. Size Scale Composition Compare terrestrial planets
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PH0021AstronomyLecture 19 (The Sun)021203v7The Sun, in all its glory!
Prof Rick Gaitskell
Department of PhysicsBrown University
See course pages for source
Typical grain ~1000 km (hires solar images)
[DEMO Silicon Oil & Al flakes]
Like solar flares, they occur whenever there's a rapid, large-scale change in the sun's magnetic field. Solar flares and CMEs often occur together, but not necessarily because the flare triggers the CME or vice versa. One can happen without the other and frequently during solar maximum we see CMEs without an associated flare
See http://science.msfc.nasa.gov/ssl/pad/solar/quests.htm for dynamo discussion and figs