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Coordinate Systems:Latitude and Longitude |
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The origin and use of Latitude and Longitude | Media | Old Embedded | QT Embedded | |
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Coordinate Systems: The Horizon System |
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The origin and use of the Horizon System | Media | Old Embedded | QT Embedded | |
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Coordinate Systems: The Equatorial System |
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The origin and use of the Equatorial System | Media | Old Embedded | QT Embedded | |
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The Celestial Sphere |
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The Celestial Sphere | Media | Old Embedded | QT Embedded | |
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Earth's Orbital Motion and the Sun's Motion Across the Celestial Sphere | Media | Old Embedded | QT Embedded | |
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The Diurnal Motion of the Stars Created by the Rotation of the Earth | Media | Old Embedded | QT Embedded | |
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A Simple Demonstration of Parallax | Media | Old Embedded | QT Embedded | |
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Stellar Parallax and the Celestial Sphere: Changing Appearance of Constellations From Earth's Motion | Media | Old Embedded | QT Embedded | |
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Exaggerated Stellar Parallax: the Apparent Motion of Stars due to Earth's Orbital Motion | Media | Old Embedded | QT Embedded | |
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Meridian and Motion of the Sun |
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Using a Gnomon's Shadow to track the motion of the Sun | Media | Old Embedded | QT Embedded | |
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Seasonal Variation of a Gnomon's Shadow | Media | Old Embedded | QT Embedded | |
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Eclipses |
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Why Solar Eclipses Happen | Media | Old Embedded | QT Embedded | HTML | |
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Why Solar Eclipses Don't Happen Every Month | Media | Old Embedded | QT Embedded | HTML | |
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Why Solar Eclipses Happen (redone) | Media | Old Embedded | QT Embedded | |
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Why Solar Eclipses Don't Happen Every Month (redone) | Media | Old Embedded | QT Embedded | |
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The geometry of solar and lunar eclipses | Media | Old Embedded | QT Embedded | |
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Orbital Motion |
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The Earth and Moon Orbit Each Other as they Orbit the Sun (not to scale!) | Media | Old Embedded | QT Embedded | |
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The Moon's Path around the Sun (object size exaggerated) | Media | Old Embedded | QT Embedded | |
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Seasons | Media | Old Embedded | QT Embedded | |
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Orbital Elements: Describing an Orbit About the Sun in 3D | Media | Old Embedded | QT Embedded | |
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Tidal Forces |
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Tidal Effects on a Planet and Satellite | Media | Old Embedded | QT Embedded | |
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Spring and Neap Tides on the Earth | Media | Old Embedded | QT Embedded | |
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Retrograde Motion of the Planets |
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Ptolemy's Model for a Superior Planet | Media | Old Embedded | QT Embedded | HTML | |
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Ptolemy's Model for an Inferior Planet | Media | Old Embedded | QT Embedded | HTML | |
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Copernicus's Model for a Superior Planet | Media | Old Embedded | QT Embedded | HTML | |
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Copernicus's Model for an Inferior Planet | Media | Old Embedded | QT Embedded | HTML | |
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The Phases of Venus |
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Copernicus's Model and the Phases of Venus | Media | Old Embedded | QT Embedded | HTML | |
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Ptolemy's Model and the Phases of Venus | Media | Old Embedded | QT Embedded | HTML | |
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Kepler's Laws |
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Kepler's First Law | Media | Old Embedded | QT Embedded | HTML | |
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Kepler's Second Law | Media | Old Embedded | QT Embedded | HTML | |
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Rotation Curves |
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Rotation Curve for Our Solar System | Media | Old Embedded | QT Embedded | |
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Rotation Curve for a Galaxy and the Wind Up Dilemma | Media | Old Embedded | QT Embedded | |
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Density Waves and the Stability of Galactic Spiral Arms (Artist Conception) | Media | Old Embedded | QT Embedded | |
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Hypothetical Rotation Curve for a ""Uniform Ball"" of Stars | Media | Old Embedded | QT Embedded | |
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Planets and Satellites |
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A Perspective of Earth's Moon | Media | Old Embedded | QT Embedded | |
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Relative Size of the Planets | Media | Old Embedded | QT Embedded | |
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A Cloudless Perspective of Venus Based Upon Radar Data | Media | Old Embedded | QT Embedded | |
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A Perspective of Mars | Media | Old Embedded | QT Embedded | |
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3-D map of Asteroids (astorb.dat from Bowell@Lowell) | Media | Old Embedded | QT Embedded | |
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Ringworld Fly-By: Hypothetical Construct of an Arbitrarily Advanced Civilization (large) | Media | Old Embedded | QT Embedded | |
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Exotic Stars and Black Holes |
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Pulsar: A Spinning Neutron Star with Beamed Radio Emission | Media | Old Embedded | QT Embedded | |
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Pulsar: A Spinning Neutron Star with Beamed Radio Emission (revised) | Media | Old Embedded | QT Embedded | |
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Pulsar: A Spinning Neutron Star with Beamed Radio Emission (revised and extended) | Media | Old Embedded | QT Embedded | |
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Eclipsing Binary | Media | Old Embedded | QT Embedded | |
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Eclipsing Binary II | Media | Old Embedded | QT Embedded | |
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Spectroscopic Binary | Media | Old Embedded | QT Embedded | |
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Anatomy of an Active Galactic Nucleus | Media | Old Embedded | QT Embedded | |
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Twisted Magnetic Fields Driving Galactic Jets | Media | Old Embedded | QT Embedded | |
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Mass Transfer in a close Binary Star System | Media | Old Embedded | QT Embedded | |
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Compact Stars and Gravitational Wells | Media | Old Embedded | QT Embedded | |
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Equivalence Principle |
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Equivalence Principle: Accelerating in Space vs. Remaining Stationary in Gravity | Media | Old Embedded | QT Embedded | |
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Equivalence Principle: Stationary in Space vs. Freefall in Gravity | Media | Old Embedded | QT Embedded | |
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Expansion of the Universe |
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Expansion of the Universe and Red Shift of Cosmic Background Radiation | Media | Old Embedded | QT Embedded | HTML | |
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Expansion of the Universe and Wavelength Red Shift | Media | Old Embedded | QT Embedded | HTML | |
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Hubble's Law: Red Shift/Distance and Cosmological Expansion | Media | Old Embedded | QT Embedded | |
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Sending Signals Across Vast Distances and the Expansion of the Universe | Media | Old Embedded | QT Embedded | |
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Curvature of Space |
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Geodesics and Positive Curvature | Media | Old Embedded | QT Embedded | HTML | |
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Geodesics and Negative Curvature | Media | Old Embedded | QT Embedded | HTML | |
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Geodesics and Zero Curvature | Media | Old Embedded | QT Embedded | HTML | |
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Gravitational Lensing of Light | Media | Old Embedded | QT Embedded | HTML | |
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Frame Dragging and the Lense-Thirring effect | Media | Old Embedded | QT Embedded | HTML | |
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Gravitational Waves |
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Linear Polarized Gravitational Wave | Media | Old Embedded | QT Embedded | |
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Elliptically Polarized Gravitational Wave | Media | Old Embedded | QT Embedded | |
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Disk Formation |
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Disk Formation in Collapsing Cloud | Media | Old Embedded | QT Embedded | |
