Interactive Demonstrations

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Demonstration Description Applies to Text-only Summary
Kepler's Laws Examine Kepler's Laws of planetary motion by picking orbit sizes and shapes and viewing the resultant motion. ASTR 10 Kepler's Laws Text
Planetary Spectra See how the visible and IR spectra of airless planets vary with star temperature and brightness, planet distance and albedo ASTR 10 Planet Spectra Text
Build a Planet Watch an animated display of the formation and evolution of a terrestrial planet based on your choices of mass and orbit distance ASTR 10 Planet Evolution Text
Visual Spectra of Objects View visual and graphical representations of the visible spectra of various objects ASTR 10
ASTR 101
Spectra Text
Planck Spectrum Change the temperature and see how the spectrum and visual color impression of a star change ASTR 101 Planck Spectrum Text
Energy Levels See how transitions within the energy level structure of an atom produce a unique line spectrum ASTR 101 Energy Levels Text
Evolution of a Star Cluster See how the HR diagram and visual appearance of a star cluster change with time ASTR 101 Cluster Evolution Text
Lunar Phases Select a month and year to produce a monthly lunar phase calendar for some of the author's favorite cities ASTR 102 Lunar Phases Text


Exercise Description Applies to Text-only Summary
Coordinate Conversions Convert Azimuth and Altitude values to RA and Dec ASTR 102 Lab #5
Plotting the Moon's Orbit
Coordinate Conversion Text
The Solar Rotation Period Measure the motion of sunspots to find the solar rotation period ASTR 102 Lab #8
The Solar Rotation Period
Solar Rotation Text
Planetary Surface Dating Estimate surface ages by crater counting ASTR 102 Lab #11
Lunar Surface Dating
Coordinate Conversion Text
The Spectroscope Observe element line spectra and identify elements in unknowns ASTR 102 Lab #12
The Spectroscope
Spectroscope Text
Kepler's Third Law & the Mass of Jupiter Measure the positions of Jupiter's moons and calculate the mass of Jupiter ASTR 102 Lab #13
The Mass of Jupiter
Mass of Jupiter Text
Spectral Classes & H-R Diagram Spectral classes and magnitudes of stars in a cluster are estimated and an H-R Diagram is produced and analyzed ASTR 102
Alternate Lab
Spectral Class Lab Text


Demonstration Description Applies to Text-only Summary
Effective Potential and Integrated Motion Explore the effective potential and integrated motion for various force laws ASTR 117A Effective Potential Text
Planet Stability in Binary Star Systems Determine which planetary orbits are stable in various binary star systems ASTR 117A Planet Stability Text
Stellar Models and Spectra See how the strength and shape of spectral lines change as stellar physical parameters (T, g & abundances) are varied ASTR 117B Stellar Models and Spectra Text
Disk Galaxy Simulation Examine the development of structure in a two-dimensional, collisionless-particle disk galaxy ASTR 117B Galaxy Simulation Text
Nuclear Isotope Stability Examine the stability of nuclear isotopes as precicted by the semi-empirical mass formula ASTR 117B Nuclear Stability Text

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