Strange Attractor

What are orbits and eclipses? What is an orbit? (NASA) (https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-orbit-58.html) What causes an orbit to happen? (Qualitative Reasoning Group) (http://www.qrg.northwestern.edu/projects/vss/docs/space-environment/1-what-causes-an-orbit.html) What is orbital mechanics? (Rocket & Space Technology) (http://www.braeunig.us/space/orbmech.htm) Orbital mechanics I (The Physics Hypertextbook) (https://physics.info/orbital-mechanics-1/) Heliocentrism from the Greeks to Copernicus & after (Wikipedia) (https://en.wikipedia.org/wiki/Nicolaus_Copernicus#Copernican_system) Copernicus (Biography) (https://www.biography.com/people/nicolaus-copernicus-9256984) Galileo & the controversy that moons orbited Jupiter (Wikipedia) (https://en.wikipedia.org/wiki/Galileo_Galilei#Jupiter.27s_moons) Modern flat Earth societies (Wikipedia) (https://en.wikipedia.org/wiki/Modern_flat_Earth_societies) The middle ages (History) (http://www.history.com/topics/middle-ag