Animation of a model of the appearance of the Phases of Venus in the Ptolemaic Geocentric system. The animation is a screen capture of an interactive Adobe Flash animation on the University of Nebraska's Astronomy Education ClassAction website:

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Captured to video because the flash animations will be retired and removed in late 2020, and for Ast1101 labs, we want an alternative for students who cannot run the ClassAction apps on their personal computers.

This video has no audio track.

Recorded 2020 June 7 by Prof. Richard Pogge, The Ohio State University

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