PHY 113 Study Guide - Final Guide: Van Allen Radiation Belt, Giant Planet, Lagrangian Point

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8 Jun 2018
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Chapters 1-16
Chapter 1
• “What is science?
The scale of the universe (order)
Constellations (not really close together)
Day/Month/Year (e.g., sidereal vs. synodic mo.) What causes seasons (axis tiltàsun
higher)
Cycle of moon (~ 1 month)
Lunar eclipses (why not every month?)
Solar eclipses (total vs. annular)
Parallax and angular size (conceptual)
Chapter 2
Geocentric model -- Epicycles, perfect circles & spheres
Heliocentric model How did Galileo PROVE IT! (Jupiter’s moons, Venusphases,
etc.)
Why the Galileo controversy? (from academics, from church, etc.)
Keplers LawsàEllipses, sweep out equal areas,
Newtons Laws, Gravity, and orbital speeds (conceptual / application / recognize
equations)
Chapter 3
Light = wave (diffraction patterns, bends around corners, bends through lenses)
Light = particle (Energy of a photon goes up with frequency; recognize Eq.)
Romeràmeasured c with Jupiters moons
Time dilation (concept), length contraction, etc. Whole EM spectrum (all just light)
Weins Law (hotteràbluer); recognize Eq.
Doppler Effect (l.o.s. velocityàcolor shift)
Chapter 4
Spectral lines (unique to each element)
Emission vs. absorption lines vs. continuum (what causes each)
Spectral analysis (how spectra tell us stuff)
Temperature
Composition
Rotation
Line of sight velocity (Doppler shift of spectral lines)
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Chapter 5
Reflection vs. refraction telescopes
Bri
Resolution better w/ big R or small wavelength Space vs. ground
Atmosphere blurring, Adaptive Optics
Some have to be in space (UV, X-ray) Telescope types(radio, optical, x-ray)
Interferometry
Chapter 5 (contd.)
What we “see” in different wavelengths:
Radio à coldneutral hydrogen gas
Infrared à cooldust, coolstars
Visible à normalstars (most of them)
UV à hot gas, very hot youngstars
X-ray à super hot plasma!
Gamma Ray à super crazy high energy stuff! (black holes, supernova)
Chapter 6 (the Solar System)
Terrestrial (small, rocky, few moons, closer in) vs.
Jovian (big, gaseous, lots of moons)
Asteroid/meteor vs. comets
Why isn’t Pluto a planet?
General properties of solar system (disk, same rotation, planets isolated, planet
dichotomy)
Nebular Theory of solar system formation How it explains what we see
Chapter 16 (the Sun)
Radiation vs. Convection energy transport
Different Layers (photosphere, corona, etc.)
Equilibrium (pressure out, gravity in)
Fusion in Core. Density/Temp changes with radius Corona (much ho Lifetime,
Magnetic Fields
Wrap around planet
Sunspots! (11 year cycle)
Prominences, solar flares, CME’s, solar wind
Chapter 7 (Earth)
Structure (Inner core .... Magnetosphere)
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