Physics Animations

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

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