visualizingmath: scienceisbeauty: Planets in the Fourth Dimension via AzimuthAnimations by Greg Egan I have never, ever heard of the possibility of four-dimensional planetary motion! Is four-dimensional planetary motion a theory, an ongoing problem,
tags: Command Center,
from: https://terranghost.tumblr.com/post/116498416628
more here tumblr.freepornpreview.net/terranghost