Astronomy Education
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Ptolemy/Copernicus/Tycho EJS Model v.1.0
Comparison between three famous planetary models. Ptolemy/Copernicus/Tycho EJS Model illustrates the relationships between the systems of planetary astronomy developed by Claudius Ptolemy, Nicholas Copernicus, and Tycho Brahe.
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Gnomon Model v.1.0
Gnomon shadow simulation to help you with your studies. The EJS Gnomon model simulates the shadow cast by a gnomon (the part of a sundial that casts the shadow) over the course of a day for any day of the year and any latitude on Earth.
Earth Orbit Model v.1.0
Copernican theory illustration. Earth Orbit model illustrates the Copernican theory of Earth's orbit around the sun. The top window shows a view from outside the celestial sphere.
Phases of Venus Model v.1.0
Simulate the Venus phases with this tool. Venus Phases model shows the shadows cast by two gnomons at different locations on Earth.
SalsaJ v.2 1
SalsaJ allows students to display, analyse, and explore real astronomical images and other data in the same way that professional astronomers do, making the same kind of discoveries that lead to true excitement about science.
GSky Digest v.0.4
gSky Digest is an application which informs you concisely about any astronomical event of the visible sky which is happening in your vicinity. This lightweight application provides the positions of various objects of the solar system.
Oscillations and Lissajous Figures Model v.1.0
Two perpendicular harmonic oscillators motion simulation. Oscillations and Lissajous Figures model displays the motion of a superposition of two perpendicular harmonic oscillators. The simulation shows the result of the superposition.
Double Pendulum Model v.1.0
Analyze the double pendulum motion with this application. The Double Pendulum model displays the motion of a double pendulum and its Poincare map.
Faraday Disk Dynamo Model v.1.0
Analyze magnetic field with this tool. The EJS Faraday Disk Dynamo shows a conducting disk that rotates in a magnetic field. This produces a current (homopolar generator) and for certain configurations, it is a self-exciting dynamo.
Cellular Automata Rules v.1.0
Analyze nearby neighbor rules with this tool. Cellular Automata Rules is a simple, very convenient,
Uniform Spherical Distribution Model v.1.0
Pick a random point on the surface of a sphere with this simulation. The EJS Uniform Spherical Distribution Model shows how to pick a random point on the surface of a sphere.