Animations and Interactives for Astronomy 101
- Time of Day visualization (University of Nebraska-Lincoln astronomy)
- Rotating Sky visualization (University of Nebraska-Lincoln astronomy)
- Motions of the Sun at different times of year (University of Nebraska-Lincoln astronomy)
- Visualizing Earth’s orbit, tilt, and the effect on sunlight we receive (University of Nebraska-Lincoln astronomy
- Movies of noontime shadows in Nebraska (with helpful diagram; University of Nebraska-Lincoln astronomy)
- Sunrise and Sunset positions (University of Nebraska-Lincoln astronomy)
- Motion of the Sun through the Zodiac (University of Nebraska-Lincoln astronomy)
- Earth’s appearance in different times of year (Prentice-Hall)
- Seasons Interactive Figure (allows you to change Earth’s axis tilt; McGraw-Hill)
- YouTube video of a Year of the Sun (SOHO satellite images – look for the slight changes in size due to Earth’s non-circular orbit)
- Lunar Phase Quizzer (University of Nebraska-Lincoln astronomy)
- Lunar Phase Simulator (University of Nebraska-Lincoln astronomy)
- Determining Moon Phases (University of Nebraska-Lincoln astronomy)
- Moonrise/Moonset visualization (University of Nebraska-Lincoln astronomy)
- Moon Phases Animation (Sumanas)
- Moon Phases with rotating Earth (Valdosta State University)
- Lunar Phases Interactive Figure (McGraw-Hill)
- Eclipse Shadow Simulator (University of Nebraska-Lincoln astronomy)
- Moon Inclination (University of Nebraska-Lincoln astronomy)
- YouTube video of an Annular Solar Eclipse (me)
Retrograde Motion In Copernicus’ Heliocentric Model:
- Retrograde Motion (University of Nebraska-Lincoln astronomy)
- Planet Orbits Simulator (University of Nebraska-Lincoln astronomy)
Retrograde Motion In Ptolemy’s Geocentric Model:
- Ptolemaic Orbit of Mars (University of Nebraska-Lincoln astronomy)
- Retrograde Motion (with epicycles; University of Toronto)
Phases of Venus In Ptolemy’s Geocentric Model:
- Ptolemaic Phases of Venus (University of Nebraska-Lincoln astronomy)
Kepler’s Laws:
- Planetary Orbit Simulator (University of Nebraska-Lincoln astronomy)
- Planetary Motion (start your own; University of Virginia)
- Ellipse demonstration (University of Nebraska-Lincoln astronomy)
Newton’s First Law:
- The Car and the Wall (Physics Classroom)
- The Motorcyclist (Physics Classroom)
- The Truck and Ladder (Physics Classroom)
Newton’s Second Law:
- Circular Motion (Physics Classroom)
- Subtractive Color Mixing (as with paints and dyes)
- Additive Color Mixing (as with colored lights)
- YouTube Video of Absorbing from a Rainbow (me!)
- YouTube Video of Absorption Line Spectrum (me!)
- YouTube Video of Monochromatic Light Weirdness (me!)
Thermal (Blackbody) Radiation:
- Blackbody Curves (University of Nebraska-Lincoln astronomy)
- Thermal Radiation Applet (with the appearance of the color mixture)
- YouTube video of Light Bulb Spectrum (me!)
Atoms and Light:
- Hydrogen Atom Simulator (University of Nebraska-Lincoln astronomy)
Inverse-Square Law for Light:
- Flux Simulator (University of Nebraska-Lincoln astronomy)
Doppler Effect:
- Doppler Shift Demonstrator (University of Nebraska-Lincoln astronomy)
Nearby Stars:
- 32 Nearby Stars (3-D Map with star information)
- Interactive 3-D Map of the Nearest Stars (Sumanas)
The HR Diagram for Stars:
- HR Diagram Explorer (University of Nebraska-Lincoln astronomy)
Black Holes (Animations of light bending nearby):
- Circling the Black Hole (looking down)
- Circling the Black Hole (looking forward)
- Approaching the Black Hole
Rotation of the Milky Way (and its Mass):
- Milky Way Rotational Velocity Explorer (University of Nebraska-Lincoln astronomy)
The Expansion of the Universe:
- A Balloon Analogy (nice explanation; Ned Wright, UCLA)
Astrophotography:
- Some Information on Astrophotography
- Movie of the 2007/2008 Superoutburst of Comet Holmes