Instruction for genuine teachers

When Copernicus first proposed the resolution of direct/retrograde motion, he did not discriminate between the faster and slower moving planets seen from Earth -

“What appears in the planets as [the alternation of] retrograde and direct motion is due, not to their motion, but to the earth’s� Copernicus


With the benefit of online imaging, we can now saw that the illusory loops of the slower moving planets like Mars contrast with the actual loop of Venus and Mercury -

https://apod.nasa.gov/apod/ap031216.html

http://www.insideastronomy.com/uploa...0_7_128459.jpg

The world doesn't need another theoretical icon, it needs creative and productive people who can fashion the story of our solar system neighborhood within normal judgment of motions common to all, mathematicians and their script of equations might not like it but everyone else will.