midterm1_review.pdf - Midterm Review C162 Planetary...

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Midterm Review - C162 Planetary Astrophysics - Midterm 1 is in-class Thurs Sept 21 - Each midterm is worth 12.5% of the final grade - Each midterm will have multiple problems similar to the questions of the day - Each midterm will start promptly at the beginning of class and last 80 minutes - BE ON TIME!!! - No calculators allowed - A single-sided cheat sheet on a normal 8.5 × 11” sheet of paper is allowed for midterm 1; the back side may be filled out for midterm 2. Formulas and Concepts I should understand before Midterm 1 Formulas and Concepts Magnetospheres - Concepts Magnetopause standoff distance (Formula) Aurora creation Motion of charged particles Sources and sinks of charged particles Solar Cycle, periodicity and observable features Ohmic decay of a magnet (Formula) Planetary magnetic field types Interaction of bodies with the solar wind Magnetic field as a function of planetary radius (Formula) Dynamics - Formulas Equations/geometry of an elliptical orbit; location of periapse and apoapse Gravitational acceleration, force, and potential Kepler’s Laws Angular momentum (and conservation of) Vis-Viva equation Escape velocity Jacobi constant Tidal forces; Roche limit 1
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Atmospheres Ideal gas law Hydrostatic Equilibrium Scale Height Gravitational acceleration, force, and potential Dry and wet adiabatic lapse rate Blackbody radiation and Planck’s function - Wein’s and Rayleigh-Jean’s Law Stefan-Boltzmann Law Equilibrium Temperature Brightness on a uniform sphere Equation of radiative transfer for constant source functinon Doppler shift and broadening Clausius-Clapeyron equation Coriolis force Production rates in equilibrium (in the context of photochemistry) Limiting flux Jean’s escape Questions Magnetospheres 1. What causes Auroras?
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  • Fall '17
  • Imke de Pater

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