Ast101 Review Session Two.pdf

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Astronomy & Astrophysics
Michael Reid

AST101 Review Session Two November 6th, 2012 - format is more or less identical to the last midterm--similar number of question and breakdown--some drawing diagrams, some writing things out - bring a pen, pencil, eraser, and T-Card - Kepler's laws, light-year, scale of the solar system, AU, etc. - about the solar system - chapter 5, 7, 8, 9, 10, 11 - wavelength, frequency, energy, and colour--how are these things related? - which kinds of light make it through our atmosphere? - three types of spectra - know what they are, and what type of object makes them - what atomic processes are going on -- electrons moving around that produce or absorb light and how this is related - how do you use a spectrum of an object to learn about it - temperature, chemical composition, moving towards or away from you - general patterns of motion in solar system - general patterns and chemical composition of planets -general properties of planets - size, temp, etc. - more detailed properties of each planet - formation of the solar system - conditions in the early solar system - giant impacts - the moon, uranus, etc. - age of the solar system - carbon dating - radio-nuclei dating - formation of moon - terrestrial planet surfaces and processes that shape them - terrestrial planet interiors - jovian planets - cratering, plate tectonics, erosion - CRATERING - heating and cooling interiors - what determines rate of cooling and how this relates to geologic activity - comparative planetology - auroras - carbon cycle - climate and temp. regulated of terrestrial planets - interior structure of jovian - colours, structure, etc. - moons and rings of jovian planets - magnetic fields need a molten core, and rotation - anytime you have a charged material that is moving, it will generate a magnetic field - in the earth, that charged material is the molten core - the motion generates a magnetic field - solar wind: charged particles emitted by the sun and streaming out into space - when these particles interact with the magnetic field, they slide along
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