Free-Fall orbits are gravitational orbits where all planets start at rest and oscillate along open curves
(credit: @KangarooPhysics)pic.twitter.com/l8f1W7Lyqp
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Replying to @InertialObservr @KangarooPhysics
Now plot the same orbits in a coordinate system in which one of the planets is at rest. Betcha the others will just be moving on regular closed curves...
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Replying to @SvenGeier @KangarooPhysics
Why don’t you do it
9:36 AM - 12 Dec 2019
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