physics 231: section 2 the physics of astrophysics 1 phys 231, topic 2: the physics of astrophysics
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Phys 231, Topic 2: The Physics of Astrophysics
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Physics 231: Section 2The Physics of Astrophysics
http://mimas.physics.drexel.edu/phys231
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Phys 231, Topic 2: The Physics of Astrophysics
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Two-Body Interaction
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Orbits follow conic sectionsUnbound
Bound
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Kepler’s 1st and 2nd Laws
Each purple region has the same area and is swept out in equal time
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Gravity from an extended (spherical) distribution
A “sees” mass 1+mass 2B “sees” only mass 1
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Rotation curve of the Milky Way
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v
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Waves interfere with one another
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The Wave Nature of Light
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Electromagnetic Waves
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Newton’s Double Prism experiment
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The Electromagnetic Spectrum
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The Solar Spectrum
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SDSS Response Function
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Spectral lines of some common elements
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Kirchoff’s Spectroscopy Laws
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Doppler Shift
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Maxwell-Boltzmann Distribution
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The RHS of the SAHA equation
Solar Densities
Earth AtmosphericDensities
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Ionization fraction of hydrogen
Solar
Earth