Tuesday, August 13, 2013

Earth-Moon System

Most visualizations of the Earth-Moon system get either the scale of distance or size way off. It turns out the two are really really far apart, and the moon is WAY smaller than her parent body.

I built this representation with THREE.js and the HTML5 canvas tag so it will work even without WebGL enabled (as long as you're using a reasonably modern browser.



Each orbital period represents about 27.321 days (which is different from the 29.5ish day synodic period - which is what'd you'd observe from a position on earth).

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