JavaScript Pages for Astronomy, (Astro)Physics, Numerics, Electronics:

Joachim Köppen Kiel 2022


Introduction This is a collection of JavaScript programs written for teaching, creating exercises, allowing self-study and for use as small research tools. They aim to permit an interactive exploration of the behaviour of physical systems.

All programs work on Chrome, InternetExplorer, Edge, and Firefox (all in Windows10).

As time goes by, more is to come ... :-)

Space Exploration and Solar System


Stars and Nebulae

our Milky Way galaxy


more Astrophysics



Observation and Instruments

Amateur Radio and Earth-Moon-Earth Communication (EME)

Other Stuff ....

Statistics Simulations

Numerical Techniques

Radio and Electronics

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last update: May 2024 J.Köppen