Topics for the First Midterm ExamGeneral TerminologySolar PhysicsSolar Physics ContiuedSolar Physics ContinuedSolar DynamicsHeliosphereHeliosphere ContinuedTopics for the First Midterm ExamGeneral Terminology•Familiarity with terms like–Solar wind–Heliosphere–Magnetosphere–Ionosphere–Thermosphere–Aurora•SI units–1 AU – Distance from Sun to Earth – 1.5X108km–1 RE – Radius of the Earth•Familiarity with scientific notationSolar Physics•Energy of a photon E=hf•Black body radiation –Wein’s law –Black body curve•Solar srtructure–Core and the reaction that powers the Sun–Einstein equation E=mc2–Radiative zone–Convection zone–Photosphere–Chromosphere–Corona–Solar wind •If you need to know the value of a parameter I will give it to you.mKXTpeak310898.24TRSolar Physics Contiued•What are conduction, convection and radiation?•Phenomena we can see–Granules–Supergranualation–Sunspots–Prominences–Coronal holes•The solar cycle (11 year and 22 year)_–Observed changes during the solar cycle (in sunspots, soft x-rays).–Changes in the magnetic field•Differential rotationSolar Physics Continued•Frozen in flux–What is the concept of frozen in flux –Application of frozen in flux to sunspots•Magnetic pressure and thermal pressure2BBEVnkTp 022BBp Solar Dynamics•Solar flares•Coronal mass ejectionsHeliosphere•The solar wind •Why is there a solar wind?–The Parker model - qualitatively only–Concept of pressure gradient•Evolution of solar wind with radius•The interplanetary magnetic field –Heuristic model of the IMF–Equation for Archmedian spiral – –Explanation for sector structure–Effect of current sheet•Latitudinal dependence of solar wind PF 00rvrSunswHeliosphere Continued•Corotating interaction regions•Changes in the current sheet between solar maximum and minimum•Configuration of CMEs (magnetic clouds) in space•Cosmic
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