Today in Astronomy 142 - Astro Pas Rochester
Today in Astronomy 142 - Astro Pas Rochester Today in Astronomy 142 - Astro Pas Rochester
Further out: the corona and chromosphereCorona: observed tobe well over 1000000K.Theory of corona:heated by acousticnoise from boilingtop of convectionzone; diffuse enoughthat it can’t cool verywell, so it reachesvery hightemperatures.Figure: Chaisson andMcMillan, Astronomy TodayAstronomy 142 16
Solar corona and atmosphere X-ray composite(NASA/SPARTAN)Astronomy 142 17
- 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 18 and 19: Sunspots: solar magnetismFigure: Ch
- 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
Further out: the corona and chromosphereCorona: observed tobe well over 1000000K.Theory of corona:heated by acousticnoise from boil<strong>in</strong>gtop of convectionzone; diffuse enoughthat it can’t cool verywell, so it reachesvery hightemperatures.Figure: Chaisson andMcMillan, <strong><strong>Astro</strong>nomy</strong> <strong>Today</strong><strong><strong>Astro</strong>nomy</strong> <strong>142</strong> 16
Change language