Download Quantum Well Electron Gain Structures and Infrared

Exam 2 Review
Stephen Eikenberry
19 October 2010
AST 2037
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Exam #2 Review 1
• Earth/Moon system
• Properties (composition, major features, plate tectonics,
structure, atmosphere, magnetic field, etc.)
• Formation history, etc.
• Solar system
• Planets, moons, meteors, asteroids, comets
• Kuiper belt, Oort cloud, etc.
• Different types of planets
• Formation history, etc.
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Exam #2 Review 2
• Light as a wave
• Wavelength, frequency, light speed
• Electromagnetic radiation
• colors
• Blackbody Radiation
• Spectrum
• Wien’s law
• Stefan’s law
• Flux and luminosity
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Exam 2 Review - 3
• Continuum and line spectra
• Emission and absorption lines
• Line information: element/molecule identification,
temperature, pressure, etc.
• The Sun
• Structure, regions, temperatures, pressure/density
• Core, radiative zone, convective zone, photosphere,
chromosphere, corona, wind
• Granules, sunspots, solar cycle, prominences
• Nuclear fusion and energy generation/transport
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Exam 2 Review - 4
• Stars
• Distances, parallax
• Flux, brightness, apparent magnitude, inverse square law
• Spectral classification, OBAFGKM, luminosity class,
size/radius
• HR diagram, main sequence, mass=destiny
• Stellar evolution phases, ultimate stellar fates
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Exam 2 Review - 5
• Requirements for life
• Energy source
• Genetic code
• Liquid phase versus solid or gas
• Solvents
• Expectations for life
• Chemical energy versus other forms
• Chemical codes
• The joys of carbon
• Silicon alternatives
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Exam 2 Review - 6
• Mars properties
• Atmosphere, temperatures, ices
• Polar caps and seasons
• Geological features on Mars
• Water on Mars (yes, no, maybe so?)
• Searches for life on Mars
• Historical “evidence” and ideas
• Remote searches
• Viking landers
• ALH84001
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