Today in Astronomy 142 - Astro Pas Rochester

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Sunspots: solar magnetismFigure: Chaisson and McMillan, Astronomy Today! Sunspots appeardark becausethey’re slightlycooler than the restof the solar surface.! Zeeman effectmeasurementsshow that they arealso maxima ofmagnetic field.! Associated withother activity (e.g.prominences)Astronomy 142 18
The multi-wavelength real-time Sun according to SOHOPulled off the SOHOwebsite on Jan24/2003. This iswhat the sun lookedlike in X-rays andUV lines, opticalcontinuum and witha magnetogram.Astronomy 142 19
Page 1 and 2: Today in Astronomy 142More on the S
Page 3 and 4: In detail:absorption linesare also
Page 5 and 6: Radiation transportkeeping track of
Page 7 and 8: Mean free pathκopacity units g -1
Page 9 and 10: Opacity depends onwavelength becaus
Page 12 and 13: Solar “granulation:” the tops o
Page 14 and 15: Using Adaptive Optics to look at de
Page 16 and 17: Further out: the corona and chromos
Page 20 and 21: Sunspot progress, activity during s
Page 22 and 23: 11-year sunspot cycle, for the last
Page 24 and 25: Sunspot formation and cycle: intera
Page 26 and 27: Cooling timescaleAstronomy 142 26
Page 28 and 29: Energy sources for the SunChemical
Page 30 and 31: Energy sources for the Sun (continu

Today in Astronomy 142 - Astro Pas Rochester

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